-24% is the change from 75 to 57
Calculation steps:
[( 57 - 75 ) ÷ 75] x 100 = -24%
Formula
Percentage change = [(57 - 75) / 75] x 100
Subtract the new number by the original number
57 - 75 = -18
-18 ÷ 75 = -0.24
-0.24 x 100 = -24%
Example