-13.19% is the change from 667 to 579
Calculation steps:
[( 579 - 667 ) ÷ 667] x 100 = -13.19%
Formula
Percentage change = [(579 - 667) / 667] x 100
Subtract the new number by the original number
579 - 667 = -88
-88 ÷ 667 = -0.13193403298350825
-0.13193403298350825 x 100 = -13.19%