-3.22% is the change from 962 to 931
Calculation steps:
[( 931 - 962 ) ÷ 962] x 100 = -3.22%
Formula
Percentage change = [(931 - 962) / 962] x 100
Subtract the new number by the original number
931 - 962 = -31
-31 ÷ 962 = -0.032224532224532226
-0.032224532224532226 x 100 = -3.22%