45.93% is the change from 270 to 394
Calculation steps:
[( 394 - 270 ) ÷ 270] x 100 = 45.93%
Formula
Percentage change = [(394 - 270) / 270] x 100
Subtract the new number by the original number
394 - 270 = 124
124 ÷ 270 = 0.45925925925925926
0.45925925925925926 x 100 = 45.93%