72.2% is the change from 446 to 768
Calculation steps:
[( 768 - 446 ) ÷ 446] x 100 = 72.2%
Formula
Percentage change = [(768 - 446) / 446] x 100
Subtract the new number by the original number
768 - 446 = 322
322 ÷ 446 = 0.7219730941704036
0.7219730941704036 x 100 = 72.2%