181.2% is the change from 250 to 703
Calculation steps:
[( 703 - 250 ) ÷ 250] x 100 = 181.2%
Formula
Percentage change = [(703 - 250) / 250] x 100
Subtract the new number by the original number
703 - 250 = 453
453 ÷ 250 = 1.812
1.812 x 100 = 181.2%
Example