37.1% is the change from 531 to 728
Calculation steps:
[( 728 - 531 ) ÷ 531] x 100 = 37.1%
Formula
Percentage change = [(728 - 531) / 531] x 100
Subtract the new number by the original number
728 - 531 = 197
197 ÷ 531 = 0.3709981167608286
0.3709981167608286 x 100 = 37.1%