336.77% is the change from 155 to 677
Calculation steps:
[( 677 - 155 ) ÷ 155] x 100 = 336.77%
Formula
Percentage change = [(677 - 155) / 155] x 100
Subtract the new number by the original number
677 - 155 = 522
522 ÷ 155 = 3.367741935483871
3.367741935483871 x 100 = 336.77%