339.61% is the change from 154 to 677
Calculation steps:
[( 677 - 154 ) ÷ 154] x 100 = 339.61%
Formula
Percentage change = [(677 - 154) / 154] x 100
Subtract the new number by the original number
677 - 154 = 523
523 ÷ 154 = 3.396103896103896
3.396103896103896 x 100 = 339.61%