-14.17% is the change from 515 to 442
Calculation steps:
[( 442 - 515 ) ÷ 515] x 100 = -14.17%
Formula
Percentage change = [(442 - 515) / 515] x 100
Subtract the new number by the original number
442 - 515 = -73
-73 ÷ 515 = -0.141747572815534
-0.141747572815534 x 100 = -14.17%