-82.8% is the change from 901 to 155
Calculation steps:
[( 155 - 901 ) ÷ 901] x 100 = -82.8%
Formula
Percentage change = [(155 - 901) / 901] x 100
Subtract the new number by the original number
155 - 901 = -746
-746 ÷ 901 = -0.827968923418424
-0.827968923418424 x 100 = -82.8%