-18.4% is the change from 125 to 102
Calculation steps:
[( 102 - 125 ) ÷ 125] x 100 = -18.4%
Formula
Percentage change = [(102 - 125) / 125] x 100
Subtract the new number by the original number
102 - 125 = -23
-23 ÷ 125 = -0.184
-0.184 x 100 = -18.4%