-20.91% is the change from 966 to 764
Calculation steps:
[( 764 - 966 ) ÷ 966] x 100 = -20.91%
Formula
Percentage change = [(764 - 966) / 966] x 100
Subtract the new number by the original number
764 - 966 = -202
-202 ÷ 966 = -0.20910973084886128
-0.20910973084886128 x 100 = -20.91%