-33.13% is the change from 969 to 648
Calculation steps:
[( 648 - 969 ) ÷ 969] x 100 = -33.13%
Formula
Percentage change = [(648 - 969) / 969] x 100
Subtract the new number by the original number
648 - 969 = -321
-321 ÷ 969 = -0.33126934984520123
-0.33126934984520123 x 100 = -33.13%