401.94% is the change from 155 to 778
Calculation steps:
[( 778 - 155 ) ÷ 155] x 100 = 401.94%
Formula
Percentage change = [(778 - 155) / 155] x 100
Subtract the new number by the original number
778 - 155 = 623
623 ÷ 155 = 4.019354838709678
4.019354838709678 x 100 = 401.94%