73.83% is the change from 447 to 777
Calculation steps:
[( 777 - 447 ) ÷ 447] x 100 = 73.83%
Formula
Percentage change = [(777 - 447) / 447] x 100
Subtract the new number by the original number
777 - 447 = 330
330 ÷ 447 = 0.738255033557047
0.738255033557047 x 100 = 73.83%