-22.71% is the change from 687 to 531
Calculation steps:
[( 531 - 687 ) ÷ 687] x 100 = -22.71%
Formula
Percentage change = [(531 - 687) / 687] x 100
Subtract the new number by the original number
531 - 687 = -156
-156 ÷ 687 = -0.22707423580786026
-0.22707423580786026 x 100 = -22.71%