48.52% is the change from 270 to 401
Calculation steps:
[( 401 - 270 ) ÷ 270] x 100 = 48.52%
Formula
Percentage change = [(401 - 270) / 270] x 100
Subtract the new number by the original number
401 - 270 = 131
131 ÷ 270 = 0.48518518518518516
0.48518518518518516 x 100 = 48.52%