67.76% is the change from 456 to 765
Calculation steps:
[( 765 - 456 ) ÷ 456] x 100 = 67.76%
Formula
Percentage change = [(765 - 456) / 456] x 100
Subtract the new number by the original number
765 - 456 = 309
309 ÷ 456 = 0.6776315789473685
0.6776315789473685 x 100 = 67.76%