265.2% is the change from 250 to 913
Calculation steps:
[( 913 - 250 ) ÷ 250] x 100 = 265.2%
Formula
Percentage change = [(913 - 250) / 250] x 100
Subtract the new number by the original number
913 - 250 = 663
663 ÷ 250 = 2.652
2.652 x 100 = 265.2%
Example