-32.82% is the change from 966 to 649
Calculation steps:
[( 649 - 966 ) ÷ 966] x 100 = -32.82%
Formula
Percentage change = [(649 - 966) / 966] x 100
Subtract the new number by the original number
649 - 966 = -317
-317 ÷ 966 = -0.3281573498964803
-0.3281573498964803 x 100 = -32.82%