-22.48% is the change from 685 to 531
Calculation steps:
[( 531 - 685 ) ÷ 685] x 100 = -22.48%
Formula
Percentage change = [(531 - 685) / 685] x 100
Subtract the new number by the original number
531 - 685 = -154
-154 ÷ 685 = -0.22481751824817517
-0.22481751824817517 x 100 = -22.48%