57.22% is the change from 540 to 849
Calculation steps:
[( 849 - 540 ) ÷ 540] x 100 = 57.22%
Formula
Percentage change = [(849 - 540) / 540] x 100
Subtract the new number by the original number
849 - 540 = 309
309 ÷ 540 = 0.5722222222222222
0.5722222222222222 x 100 = 57.22%