45.17% is the change from 445 to 646
Calculation steps:
[( 646 - 445 ) ÷ 445] x 100 = 45.17%
Formula
Percentage change = [(646 - 445) / 445] x 100
Subtract the new number by the original number
646 - 445 = 201
201 ÷ 445 = 0.451685393258427
0.451685393258427 x 100 = 45.17%