512.2% is the change from 41 to 251
Calculation steps:
[( 251 - 41 ) ÷ 41] x 100 = 512.2%
Formula
Percentage change = [(251 - 41) / 41] x 100
Subtract the new number by the original number
251 - 41 = 210
210 ÷ 41 = 5.121951219512195
5.121951219512195 x 100 = 512.2%