-32.42% is the change from 953 to 644
Calculation steps:
[( 644 - 953 ) ÷ 953] x 100 = -32.42%
Formula
Percentage change = [(644 - 953) / 953] x 100
Subtract the new number by the original number
644 - 953 = -309
-309 ÷ 953 = -0.3242392444910808
-0.3242392444910808 x 100 = -32.42%