50.9% is the change from 444 to 670
Calculation steps:
[( 670 - 444 ) ÷ 444] x 100 = 50.9%
Formula
Percentage change = [(670 - 444) / 444] x 100
Subtract the new number by the original number
670 - 444 = 226
226 ÷ 444 = 0.509009009009009
0.509009009009009 x 100 = 50.9%