-87.36% is the change from 625 to 79
Calculation steps:
[( 79 - 625 ) ÷ 625] x 100 = -87.36%
Formula
Percentage change = [(79 - 625) / 625] x 100
Subtract the new number by the original number
79 - 625 = -546
-546 ÷ 625 = -0.8736
-0.8736 x 100 = -87.36%