-80.87% is the change from 899 to 172
Calculation steps:
[( 172 - 899 ) ÷ 899] x 100 = -80.87%
Formula
Percentage change = [(172 - 899) / 899] x 100
Subtract the new number by the original number
172 - 899 = -727
-727 ÷ 899 = -0.8086763070077865
-0.8086763070077865 x 100 = -80.87%