262.8% is the change from 250 to 907
Calculation steps:
[( 907 - 250 ) ÷ 250] x 100 = 262.8%
Formula
Percentage change = [(907 - 250) / 250] x 100
Subtract the new number by the original number
907 - 250 = 657
657 ÷ 250 = 2.628
2.628 x 100 = 262.8%
Example