115.54% is the change from 251 to 541
Calculation steps:
[( 541 - 251 ) ÷ 251] x 100 = 115.54%
Formula
Percentage change = [(541 - 251) / 251] x 100
Subtract the new number by the original number
541 - 251 = 290
290 ÷ 251 = 1.155378486055777
1.155378486055777 x 100 = 115.54%