42.22% is the change from 540 to 768
Calculation steps:
[( 768 - 540 ) ÷ 540] x 100 = 42.22%
Formula
Percentage change = [(768 - 540) / 540] x 100
Subtract the new number by the original number
768 - 540 = 228
228 ÷ 540 = 0.4222222222222222
0.4222222222222222 x 100 = 42.22%