-78.72% is the change from 921 to 196
Calculation steps:
[( 196 - 921 ) ÷ 921] x 100 = -78.72%
Formula
Percentage change = [(196 - 921) / 921] x 100
Subtract the new number by the original number
196 - 921 = -725
-725 ÷ 921 = -0.7871878393051032
-0.7871878393051032 x 100 = -78.72%