-20.83% is the change from 72 to 57
Calculation steps:
[( 57 - 72 ) ÷ 72] x 100 = -20.83%
Formula
Percentage change = [(57 - 72) / 72] x 100
Subtract the new number by the original number
57 - 72 = -15
-15 ÷ 72 = -0.20833333333333334
-0.20833333333333334 x 100 = -20.83%