-21.72% is the change from 976 to 764
Calculation steps:
[( 764 - 976 ) ÷ 976] x 100 = -21.72%
Formula
Percentage change = [(764 - 976) / 976] x 100
Subtract the new number by the original number
764 - 976 = -212
-212 ÷ 976 = -0.21721311475409835
-0.21721311475409835 x 100 = -21.72%