-12.99% is the change from 508 to 442
Calculation steps:
[( 442 - 508 ) ÷ 508] x 100 = -12.99%
Formula
Percentage change = [(442 - 508) / 508] x 100
Subtract the new number by the original number
442 - 508 = -66
-66 ÷ 508 = -0.12992125984251968
-0.12992125984251968 x 100 = -12.99%