249.6% is the change from 250 to 874
Calculation steps:
[( 874 - 250 ) ÷ 250] x 100 = 249.6%
Formula
Percentage change = [(874 - 250) / 250] x 100
Subtract the new number by the original number
874 - 250 = 624
624 ÷ 250 = 2.496
2.496 x 100 = 249.6%
Example