54.56% is the change from 537 to 830
Calculation steps:
[( 830 - 537 ) ÷ 537] x 100 = 54.56%
Formula
Percentage change = [(830 - 537) / 537] x 100
Subtract the new number by the original number
830 - 537 = 293
293 ÷ 537 = 0.5456238361266295
0.5456238361266295 x 100 = 54.56%