39.78% is the change from 445 to 622
Calculation steps:
[( 622 - 445 ) ÷ 445] x 100 = 39.78%
Formula
Percentage change = [(622 - 445) / 445] x 100
Subtract the new number by the original number
622 - 445 = 177
177 ÷ 445 = 0.39775280898876403
0.39775280898876403 x 100 = 39.78%