17.65% is the change from 442 to 520
Calculation steps:
[( 520 - 442 ) ÷ 442] x 100 = 17.65%
Formula
Percentage change = [(520 - 442) / 442] x 100
Subtract the new number by the original number
520 - 442 = 78
78 ÷ 442 = 0.17647058823529413
0.17647058823529413 x 100 = 17.65%