45.02% is the change from 271 to 393
Calculation steps:
[( 393 - 271 ) ÷ 271] x 100 = 45.02%
Formula
Percentage change = [(393 - 271) / 271] x 100
Subtract the new number by the original number
393 - 271 = 122
122 ÷ 271 = 0.45018450184501846
0.45018450184501846 x 100 = 45.02%