-31.25% is the change from 32 to 22
Calculation steps:
[( 22 - 32 ) ÷ 32] x 100 = -31.25%
Formula
Percentage change = [(22 - 32) / 32] x 100
Subtract the new number by the original number
22 - 32 = -10
-10 ÷ 32 = -0.3125
-0.3125 x 100 = -31.25%
Example