-73.54% is the change from 650 to 172
Calculation steps:
[( 172 - 650 ) ÷ 650] x 100 = -73.54%
Formula
Percentage change = [(172 - 650) / 650] x 100
Subtract the new number by the original number
172 - 650 = -478
-478 ÷ 650 = -0.7353846153846154
-0.7353846153846154 x 100 = -73.54%