1290.91% is the change from 55 to 765
Calculation steps:
[( 765 - 55 ) ÷ 55] x 100 = 1290.91%
Formula
Percentage change = [(765 - 55) / 55] x 100
Subtract the new number by the original number
765 - 55 = 710
710 ÷ 55 = 12.909090909090908
12.909090909090908 x 100 = 1290.91%