51.96% is the change from 537 to 816
Calculation steps:
[( 816 - 537 ) ÷ 537] x 100 = 51.96%
Formula
Percentage change = [(816 - 537) / 537] x 100
Subtract the new number by the original number
816 - 537 = 279
279 ÷ 537 = 0.5195530726256983
0.5195530726256983 x 100 = 51.96%