-12.82% is the change from 507 to 442
Calculation steps:
[( 442 - 507 ) ÷ 507] x 100 = -12.82%
Formula
Percentage change = [(442 - 507) / 507] x 100
Subtract the new number by the original number
442 - 507 = -65
-65 ÷ 507 = -0.1282051282051282
-0.1282051282051282 x 100 = -12.82%