45.99% is the change from 274 to 400
Calculation steps:
[( 400 - 274 ) ÷ 274] x 100 = 45.99%
Formula
Percentage change = [(400 - 274) / 274] x 100
Subtract the new number by the original number
400 - 274 = 126
126 ÷ 274 = 0.45985401459854014
0.45985401459854014 x 100 = 45.99%