-83.68% is the change from 625 to 102
Calculation steps:
[( 102 - 625 ) ÷ 625] x 100 = -83.68%
Formula
Percentage change = [(102 - 625) / 625] x 100
Subtract the new number by the original number
102 - 625 = -523
-523 ÷ 625 = -0.8368
-0.8368 x 100 = -83.68%