115.14% is the change from 251 to 540
Calculation steps:
[( 540 - 251 ) ÷ 251] x 100 = 115.14%
Formula
Percentage change = [(540 - 251) / 251] x 100
Subtract the new number by the original number
540 - 251 = 289
289 ÷ 251 = 1.151394422310757
1.151394422310757 x 100 = 115.14%