15.84% is the change from 442 to 512
Calculation steps:
[( 512 - 442 ) ÷ 442] x 100 = 15.84%
Formula
Percentage change = [(512 - 442) / 442] x 100
Subtract the new number by the original number
512 - 442 = 70
70 ÷ 442 = 0.1583710407239819
0.1583710407239819 x 100 = 15.84%