-10.04% is the change from 976 to 878
Calculation steps:
[( 878 - 976 ) ÷ 976] x 100 = -10.04%
Formula
Percentage change = [(878 - 976) / 976] x 100
Subtract the new number by the original number
878 - 976 = -98
-98 ÷ 976 = -0.10040983606557377
-0.10040983606557377 x 100 = -10.04%