-61.02% is the change from 531 to 207
Calculation steps:
[( 207 - 531 ) ÷ 531] x 100 = -61.02%
Formula
Percentage change = [(207 - 531) / 531] x 100
Subtract the new number by the original number
207 - 531 = -324
-324 ÷ 531 = -0.6101694915254238
-0.6101694915254238 x 100 = -61.02%