-8.1% is the change from 667 to 613
Calculation steps:
[( 613 - 667 ) ÷ 667] x 100 = -8.1%
Formula
Percentage change = [(613 - 667) / 667] x 100
Subtract the new number by the original number
613 - 667 = -54
-54 ÷ 667 = -0.08095952023988005
-0.08095952023988005 x 100 = -8.1%