-77.73% is the change from 871 to 194
Calculation steps:
[( 194 - 871 ) ÷ 871] x 100 = -77.73%
Formula
Percentage change = [(194 - 871) / 871] x 100
Subtract the new number by the original number
194 - 871 = -677
-677 ÷ 871 = -0.7772675086107922
-0.7772675086107922 x 100 = -77.73%