-78.95% is the change from 684 to 144
Calculation steps:
[( 144 - 684 ) ÷ 684] x 100 = -78.95%
Formula
Percentage change = [(144 - 684) / 684] x 100
Subtract the new number by the original number
144 - 684 = -540
-540 ÷ 684 = -0.7894736842105263
-0.7894736842105263 x 100 = -78.95%