70.07% is the change from 451 to 767
Calculation steps:
[( 767 - 451 ) ÷ 451] x 100 = 70.07%
Formula
Percentage change = [(767 - 451) / 451] x 100
Subtract the new number by the original number
767 - 451 = 316
316 ÷ 451 = 0.7006651884700665
0.7006651884700665 x 100 = 70.07%