163.78% is the change from 254 to 670
Calculation steps:
[( 670 - 254 ) ÷ 254] x 100 = 163.78%
Formula
Percentage change = [(670 - 254) / 254] x 100
Subtract the new number by the original number
670 - 254 = 416
416 ÷ 254 = 1.6377952755905512
1.6377952755905512 x 100 = 163.78%