-87.35% is the change from 656 to 83
Calculation steps:
[( 83 - 656 ) ÷ 656] x 100 = -87.35%
Formula
Percentage change = [(83 - 656) / 656] x 100
Subtract the new number by the original number
83 - 656 = -573
-573 ÷ 656 = -0.8734756097560976
-0.8734756097560976 x 100 = -87.35%