-82.66% is the change from 871 to 151
Calculation steps:
[( 151 - 871 ) ÷ 871] x 100 = -82.66%
Formula
Percentage change = [(151 - 871) / 871] x 100
Subtract the new number by the original number
151 - 871 = -720
-720 ÷ 871 = -0.8266360505166476
-0.8266360505166476 x 100 = -82.66%