50.45% is the change from 442 to 665
Calculation steps:
[( 665 - 442 ) ÷ 442] x 100 = 50.45%
Formula
Percentage change = [(665 - 442) / 442] x 100
Subtract the new number by the original number
665 - 442 = 223
223 ÷ 442 = 0.504524886877828
0.504524886877828 x 100 = 50.45%