15.61% is the change from 442 to 511
Calculation steps:
[( 511 - 442 ) ÷ 442] x 100 = 15.61%
Formula
Percentage change = [(511 - 442) / 442] x 100
Subtract the new number by the original number
511 - 442 = 69
69 ÷ 442 = 0.15610859728506787
0.15610859728506787 x 100 = 15.61%