269.6% is the change from 250 to 924
Calculation steps:
[( 924 - 250 ) ÷ 250] x 100 = 269.6%
Formula
Percentage change = [(924 - 250) / 250] x 100
Subtract the new number by the original number
924 - 250 = 674
674 ÷ 250 = 2.696
2.696 x 100 = 269.6%
Example