164.17% is the change from 254 to 671
Calculation steps:
[( 671 - 254 ) ÷ 254] x 100 = 164.17%
Formula
Percentage change = [(671 - 254) / 254] x 100
Subtract the new number by the original number
671 - 254 = 417
417 ÷ 254 = 1.641732283464567
1.641732283464567 x 100 = 164.17%