44.44% is the change from 270 to 390
Calculation steps:
[( 390 - 270 ) ÷ 270] x 100 = 44.44%
Formula
Percentage change = [(390 - 270) / 270] x 100
Subtract the new number by the original number
390 - 270 = 120
120 ÷ 270 = 0.4444444444444444
0.4444444444444444 x 100 = 44.44%