-31.79% is the change from 969 to 661
Calculation steps:
[( 661 - 969 ) ÷ 969] x 100 = -31.79%
Formula
Percentage change = [(661 - 969) / 969] x 100
Subtract the new number by the original number
661 - 969 = -308
-308 ÷ 969 = -0.31785345717234265
-0.31785345717234265 x 100 = -31.79%