56.11% is the change from 540 to 843
Calculation steps:
[( 843 - 540 ) ÷ 540] x 100 = 56.11%
Formula
Percentage change = [(843 - 540) / 540] x 100
Subtract the new number by the original number
843 - 540 = 303
303 ÷ 540 = 0.5611111111111111
0.5611111111111111 x 100 = 56.11%