50% is the change from 274 to 411
Calculation steps:
[( 411 - 274 ) ÷ 274] x 100 = 50%
Formula
Percentage change = [(411 - 274) / 274] x 100
Subtract the new number by the original number
411 - 274 = 137
137 ÷ 274 = 0.5
0.5 x 100 = 50%
Example