70.37% is the change from 540 to 920
Calculation steps:
[( 920 - 540 ) ÷ 540] x 100 = 70.37%
Formula
Percentage change = [(920 - 540) / 540] x 100
Subtract the new number by the original number
920 - 540 = 380
380 ÷ 540 = 0.7037037037037037
0.7037037037037037 x 100 = 70.37%