51.58% is the change from 537 to 814
Calculation steps:
[( 814 - 537 ) ÷ 537] x 100 = 51.58%
Formula
Percentage change = [(814 - 537) / 537] x 100
Subtract the new number by the original number
814 - 537 = 277
277 ÷ 537 = 0.515828677839851
0.515828677839851 x 100 = 51.58%