-77.5% is the change from 871 to 196
Calculation steps:
[( 196 - 871 ) ÷ 871] x 100 = -77.5%
Formula
Percentage change = [(196 - 871) / 871] x 100
Subtract the new number by the original number
196 - 871 = -675
-675 ÷ 871 = -0.7749712973593571
-0.7749712973593571 x 100 = -77.5%