71.36% is the change from 447 to 766
Calculation steps:
[( 766 - 447 ) ÷ 447] x 100 = 71.36%
Formula
Percentage change = [(766 - 447) / 447] x 100
Subtract the new number by the original number
766 - 447 = 319
319 ÷ 447 = 0.7136465324384788
0.7136465324384788 x 100 = 71.36%