400.65% is the change from 155 to 776
Calculation steps:
[( 776 - 155 ) ÷ 155] x 100 = 400.65%
Formula
Percentage change = [(776 - 155) / 155] x 100
Subtract the new number by the original number
776 - 155 = 621
621 ÷ 155 = 4.006451612903226
4.006451612903226 x 100 = 400.65%