45.26% is the change from 274 to 398
Calculation steps:
[( 398 - 274 ) ÷ 274] x 100 = 45.26%
Formula
Percentage change = [(398 - 274) / 274] x 100
Subtract the new number by the original number
398 - 274 = 124
124 ÷ 274 = 0.45255474452554745
0.45255474452554745 x 100 = 45.26%