79.78% is the change from 445 to 800
Calculation steps:
[( 800 - 445 ) ÷ 445] x 100 = 79.78%
Formula
Percentage change = [(800 - 445) / 445] x 100
Subtract the new number by the original number
800 - 445 = 355
355 ÷ 445 = 0.797752808988764
0.797752808988764 x 100 = 79.78%