57.82% is the change from 531 to 838
Calculation steps:
[( 838 - 531 ) ÷ 531] x 100 = 57.82%
Formula
Percentage change = [(838 - 531) / 531] x 100
Subtract the new number by the original number
838 - 531 = 307
307 ÷ 531 = 0.5781544256120528
0.5781544256120528 x 100 = 57.82%