-1.58% is the change from 507 to 499
Calculation steps:
[( 499 - 507 ) ÷ 507] x 100 = -1.58%
Formula
Percentage change = [(499 - 507) / 507] x 100
Subtract the new number by the original number
499 - 507 = -8
-8 ÷ 507 = -0.015779092702169626
-0.015779092702169626 x 100 = -1.58%