73.32% is the change from 446 to 773
Calculation steps:
[( 773 - 446 ) ÷ 446] x 100 = 73.32%
Formula
Percentage change = [(773 - 446) / 446] x 100
Subtract the new number by the original number
773 - 446 = 327
327 ÷ 446 = 0.7331838565022422
0.7331838565022422 x 100 = 73.32%