-59.13% is the change from 531 to 217
Calculation steps:
[( 217 - 531 ) ÷ 531] x 100 = -59.13%
Formula
Percentage change = [(217 - 531) / 531] x 100
Subtract the new number by the original number
217 - 531 = -314
-314 ÷ 531 = -0.591337099811676
-0.591337099811676 x 100 = -59.13%