-3.22% is the change from 932 to 902
Calculation steps:
[( 902 - 932 ) ÷ 932] x 100 = -3.22%
Formula
Percentage change = [(902 - 932) / 932] x 100
Subtract the new number by the original number
902 - 932 = -30
-30 ÷ 932 = -0.032188841201716736
-0.032188841201716736 x 100 = -3.22%