56.3% is the change from 540 to 844
Calculation steps:
[( 844 - 540 ) ÷ 540] x 100 = 56.3%
Formula
Percentage change = [(844 - 540) / 540] x 100
Subtract the new number by the original number
844 - 540 = 304
304 ÷ 540 = 0.562962962962963
0.562962962962963 x 100 = 56.3%