28.06% is the change from 531 to 680
Calculation steps:
[( 680 - 531 ) ÷ 531] x 100 = 28.06%
Formula
Percentage change = [(680 - 531) / 531] x 100
Subtract the new number by the original number
680 - 531 = 149
149 ÷ 531 = 0.2806026365348399
0.2806026365348399 x 100 = 28.06%