52.14% is the change from 537 to 817
Calculation steps:
[( 817 - 537 ) ÷ 537] x 100 = 52.14%
Formula
Percentage change = [(817 - 537) / 537] x 100
Subtract the new number by the original number
817 - 537 = 280
280 ÷ 537 = 0.521415270018622
0.521415270018622 x 100 = 52.14%