69.62% is the change from 451 to 765
Calculation steps:
[( 765 - 451 ) ÷ 451] x 100 = 69.62%
Formula
Percentage change = [(765 - 451) / 451] x 100
Subtract the new number by the original number
765 - 451 = 314
314 ÷ 451 = 0.6962305986696231
0.6962305986696231 x 100 = 69.62%