134% is the change from 250 to 585
Calculation steps:
[( 585 - 250 ) ÷ 250] x 100 = 134%
Formula
Percentage change = [(585 - 250) / 250] x 100
Subtract the new number by the original number
585 - 250 = 335
335 ÷ 250 = 1.34
1.34 x 100 = 134%
Example