166.54% is the change from 254 to 677
Calculation steps:
[( 677 - 254 ) ÷ 254] x 100 = 166.54%
Formula
Percentage change = [(677 - 254) / 254] x 100
Subtract the new number by the original number
677 - 254 = 423
423 ÷ 254 = 1.6653543307086613
1.6653543307086613 x 100 = 166.54%