-29.41% is the change from 102 to 72
Calculation steps:
[( 72 - 102 ) ÷ 102] x 100 = -29.41%
Formula
Percentage change = [(72 - 102) / 102] x 100
Subtract the new number by the original number
72 - 102 = -30
-30 ÷ 102 = -0.29411764705882354
-0.29411764705882354 x 100 = -29.41%