-1.18% is the change from 507 to 501
Calculation steps:
[( 501 - 507 ) ÷ 507] x 100 = -1.18%
Formula
Percentage change = [(501 - 507) / 507] x 100
Subtract the new number by the original number
501 - 507 = -6
-6 ÷ 507 = -0.011834319526627219
-0.011834319526627219 x 100 = -1.18%