68.5% is the change from 454 to 765
Calculation steps:
[( 765 - 454 ) ÷ 454] x 100 = 68.5%
Formula
Percentage change = [(765 - 454) / 454] x 100
Subtract the new number by the original number
765 - 454 = 311
311 ÷ 454 = 0.6850220264317181
0.6850220264317181 x 100 = 68.5%