166.93% is the change from 251 to 670
Calculation steps:
[( 670 - 251 ) ÷ 251] x 100 = 166.93%
Formula
Percentage change = [(670 - 251) / 251] x 100
Subtract the new number by the original number
670 - 251 = 419
419 ÷ 251 = 1.6693227091633467
1.6693227091633467 x 100 = 166.93%