-80.99% is the change from 905 to 172
Calculation steps:
[( 172 - 905 ) ÷ 905] x 100 = -80.99%
Formula
Percentage change = [(172 - 905) / 905] x 100
Subtract the new number by the original number
172 - 905 = -733
-733 ÷ 905 = -0.8099447513812155
-0.8099447513812155 x 100 = -80.99%