-21.52% is the change from 976 to 766
Calculation steps:
[( 766 - 976 ) ÷ 976] x 100 = -21.52%
Formula
Percentage change = [(766 - 976) / 976] x 100
Subtract the new number by the original number
766 - 976 = -210
-210 ÷ 976 = -0.2151639344262295
-0.2151639344262295 x 100 = -21.52%