45.25% is the change from 442 to 642
Calculation steps:
[( 642 - 442 ) ÷ 442] x 100 = 45.25%
Formula
Percentage change = [(642 - 442) / 442] x 100
Subtract the new number by the original number
642 - 442 = 200
200 ÷ 442 = 0.45248868778280543
0.45248868778280543 x 100 = 45.25%