-3.42% is the change from 964 to 931
Calculation steps:
[( 931 - 964 ) ÷ 964] x 100 = -3.42%
Formula
Percentage change = [(931 - 964) / 964] x 100
Subtract the new number by the original number
931 - 964 = -33
-33 ÷ 964 = -0.03423236514522822
-0.03423236514522822 x 100 = -3.42%