Select the suitable formula to calculate the energy performance of the plant.
1
(Reference Year Equivalent - Current Year's Energy) × 100/Reference Year Equivalent
2
(Current Year's Energy - Reference Year Equivalent) × 100 / Current Year's Energy
3
(Reference Year Equivalent - Current Year's Energy) × 100 / Current Year's Energy
4
(Current Year's Energy - Reference Year Equivalent) × 100/Reference Year Equivalent