29.94% is the change from 531 to 690
Calculation steps:
[( 690 - 531 ) ÷ 531] x 100 = 29.94%
Formula
Percentage change = [(690 - 531) / 531] x 100
Subtract the new number by the original number
690 - 531 = 159
159 ÷ 531 = 0.2994350282485876
0.2994350282485876 x 100 = 29.94%