-6.75% is the change from 667 to 622
Calculation steps:
[( 622 - 667 ) ÷ 667] x 100 = -6.75%
Formula
Percentage change = [(622 - 667) / 667] x 100
Subtract the new number by the original number
622 - 667 = -45
-45 ÷ 667 = -0.06746626686656672
-0.06746626686656672 x 100 = -6.75%