55.93% is the change from 531 to 828
Calculation steps:
[( 828 - 531 ) ÷ 531] x 100 = 55.93%
Formula
Percentage change = [(828 - 531) / 531] x 100
Subtract the new number by the original number
828 - 531 = 297
297 ÷ 531 = 0.559322033898305
0.559322033898305 x 100 = 55.93%