155.59% is the change from 304 to 777
Calculation steps:
[( 777 - 304 ) ÷ 304] x 100 = 155.59%
Formula
Percentage change = [(777 - 304) / 304] x 100
Subtract the new number by the original number
777 - 304 = 473
473 ÷ 304 = 1.555921052631579
1.555921052631579 x 100 = 155.59%