-86.72% is the change from 625 to 83
Calculation steps:
[( 83 - 625 ) ÷ 625] x 100 = -86.72%
Formula
Percentage change = [(83 - 625) / 625] x 100
Subtract the new number by the original number
83 - 625 = -542
-542 ÷ 625 = -0.8672
-0.8672 x 100 = -86.72%