176.4% is the change from 250 to 691
Calculation steps:
[( 691 - 250 ) ÷ 250] x 100 = 176.4%
Formula
Percentage change = [(691 - 250) / 250] x 100
Subtract the new number by the original number
691 - 250 = 441
441 ÷ 250 = 1.764
1.764 x 100 = 176.4%
Example