49.09% is the change from 275 to 410
Calculation steps:
[( 410 - 275 ) ÷ 275] x 100 = 49.09%
Formula
Percentage change = [(410 - 275) / 275] x 100
Subtract the new number by the original number
410 - 275 = 135
135 ÷ 275 = 0.4909090909090909
0.4909090909090909 x 100 = 49.09%