240% is the change from 225 to 765
Calculation steps:
[( 765 - 225 ) ÷ 225] x 100 = 240%
Formula
Percentage change = [(765 - 225) / 225] x 100
Subtract the new number by the original number
765 - 225 = 540
540 ÷ 225 = 2.4
2.4 x 100 = 240%
Example