49.63% is the change from 540 to 808
Calculation steps:
[( 808 - 540 ) ÷ 540] x 100 = 49.63%
Formula
Percentage change = [(808 - 540) / 540] x 100
Subtract the new number by the original number
808 - 540 = 268
268 ÷ 540 = 0.4962962962962963
0.4962962962962963 x 100 = 49.63%