-34.54% is the change from 964 to 631
Calculation steps:
[( 631 - 964 ) ÷ 964] x 100 = -34.54%
Formula
Percentage change = [(631 - 964) / 964] x 100
Subtract the new number by the original number
631 - 964 = -333
-333 ÷ 964 = -0.3454356846473029
-0.3454356846473029 x 100 = -34.54%