-77.38% is the change from 871 to 197
Calculation steps:
[( 197 - 871 ) ÷ 871] x 100 = -77.38%
Formula
Percentage change = [(197 - 871) / 871] x 100
Subtract the new number by the original number
197 - 871 = -674
-674 ÷ 871 = -0.7738231917336394
-0.7738231917336394 x 100 = -77.38%