-64.68% is the change from 487 to 172
Calculation steps:
[( 172 - 487 ) ÷ 487] x 100 = -64.68%
Formula
Percentage change = [(172 - 487) / 487] x 100
Subtract the new number by the original number
172 - 487 = -315
-315 ÷ 487 = -0.6468172484599589
-0.6468172484599589 x 100 = -64.68%