50.68% is the change from 442 to 666
Calculation steps:
[( 666 - 442 ) ÷ 442] x 100 = 50.68%
Formula
Percentage change = [(666 - 442) / 442] x 100
Subtract the new number by the original number
666 - 442 = 224
224 ÷ 442 = 0.5067873303167421
0.5067873303167421 x 100 = 50.68%