15.38% is the change from 442 to 510
Calculation steps:
[( 510 - 442 ) ÷ 442] x 100 = 15.38%
Formula
Percentage change = [(510 - 442) / 442] x 100
Subtract the new number by the original number
510 - 442 = 68
68 ÷ 442 = 0.15384615384615385
0.15384615384615385 x 100 = 15.38%