-82.25% is the change from 873 to 155
Calculation steps:
[( 155 - 873 ) ÷ 873] x 100 = -82.25%
Formula
Percentage change = [(155 - 873) / 873] x 100
Subtract the new number by the original number
155 - 873 = -718
-718 ÷ 873 = -0.8224513172966781
-0.8224513172966781 x 100 = -82.25%