125.5% is the change from 251 to 566
Calculation steps:
[( 566 - 251 ) ÷ 251] x 100 = 125.5%
Formula
Percentage change = [(566 - 251) / 251] x 100
Subtract the new number by the original number
566 - 251 = 315
315 ÷ 251 = 1.254980079681275
1.254980079681275 x 100 = 125.5%