-5.76% is the change from 660 to 622
Calculation steps:
[( 622 - 660 ) ÷ 660] x 100 = -5.76%
Formula
Percentage change = [(622 - 660) / 660] x 100
Subtract the new number by the original number
622 - 660 = -38
-38 ÷ 660 = -0.05757575757575758
-0.05757575757575758 x 100 = -5.76%