-80.82% is the change from 902 to 173
Calculation steps:
[( 173 - 902 ) ÷ 902] x 100 = -80.82%
Formula
Percentage change = [(173 - 902) / 902] x 100
Subtract the new number by the original number
173 - 902 = -729
-729 ÷ 902 = -0.8082039911308204
-0.8082039911308204 x 100 = -80.82%