51.46% is the change from 274 to 415
Calculation steps:
[( 415 - 274 ) ÷ 274] x 100 = 51.46%
Formula
Percentage change = [(415 - 274) / 274] x 100
Subtract the new number by the original number
415 - 274 = 141
141 ÷ 274 = 0.5145985401459854
0.5145985401459854 x 100 = 51.46%