-60.64% is the change from 531 to 209
Calculation steps:
[( 209 - 531 ) ÷ 531] x 100 = -60.64%
Formula
Percentage change = [(209 - 531) / 531] x 100
Subtract the new number by the original number
209 - 531 = -322
-322 ÷ 531 = -0.6064030131826742
-0.6064030131826742 x 100 = -60.64%