-82.7% is the change from 873 to 151
Calculation steps:
[( 151 - 873 ) ÷ 873] x 100 = -82.7%
Formula
Percentage change = [(151 - 873) / 873] x 100
Subtract the new number by the original number
151 - 873 = -722
-722 ÷ 873 = -0.827033218785796
-0.827033218785796 x 100 = -82.7%