-31.22% is the change from 964 to 663
Calculation steps:
[( 663 - 964 ) ÷ 964] x 100 = -31.22%
Formula
Percentage change = [(663 - 964) / 964] x 100
Subtract the new number by the original number
663 - 964 = -301
-301 ÷ 964 = -0.31224066390041494
-0.31224066390041494 x 100 = -31.22%