145.6% is the change from 250 to 614
Calculation steps:
[( 614 - 250 ) ÷ 250] x 100 = 145.6%
Formula
Percentage change = [(614 - 250) / 250] x 100
Subtract the new number by the original number
614 - 250 = 364
364 ÷ 250 = 1.456
1.456 x 100 = 145.6%
Example