-21% is the change from 976 to 771
Calculation steps:
[( 771 - 976 ) ÷ 976] x 100 = -21%
Formula
Percentage change = [(771 - 976) / 976] x 100
Subtract the new number by the original number
771 - 976 = -205
-205 ÷ 976 = -0.21004098360655737
-0.21004098360655737 x 100 = -21%