309.09% is the change from 187 to 765
Calculation steps:
[( 765 - 187 ) ÷ 187] x 100 = 309.09%
Formula
Percentage change = [(765 - 187) / 187] x 100
Subtract the new number by the original number
765 - 187 = 578
578 ÷ 187 = 3.090909090909091
3.090909090909091 x 100 = 309.09%