-71.33% is the change from 600 to 172
Calculation steps:
[( 172 - 600 ) ÷ 600] x 100 = -71.33%
Formula
Percentage change = [(172 - 600) / 600] x 100
Subtract the new number by the original number
172 - 600 = -428
-428 ÷ 600 = -0.7133333333333334
-0.7133333333333334 x 100 = -71.33%