-20.29% is the change from 976 to 778
Calculation steps:
[( 778 - 976 ) ÷ 976] x 100 = -20.29%
Formula
Percentage change = [(778 - 976) / 976] x 100
Subtract the new number by the original number
778 - 976 = -198
-198 ÷ 976 = -0.2028688524590164
-0.2028688524590164 x 100 = -20.29%