174.8% is the change from 250 to 687
Calculation steps:
[( 687 - 250 ) ÷ 250] x 100 = 174.8%
Formula
Percentage change = [(687 - 250) / 250] x 100
Subtract the new number by the original number
687 - 250 = 437
437 ÷ 250 = 1.748
1.748 x 100 = 174.8%
Example