51.02% is the change from 541 to 817
Calculation steps:
[( 817 - 541 ) ÷ 541] x 100 = 51.02%
Formula
Percentage change = [(817 - 541) / 541] x 100
Subtract the new number by the original number
817 - 541 = 276
276 ÷ 541 = 0.5101663585951941
0.5101663585951941 x 100 = 51.02%