69.33% is the change from 450 to 762
Calculation steps:
[( 762 - 450 ) ÷ 450] x 100 = 69.33%
Formula
Percentage change = [(762 - 450) / 450] x 100
Subtract the new number by the original number
762 - 450 = 312
312 ÷ 450 = 0.6933333333333334
0.6933333333333334 x 100 = 69.33%