-7.16% is the change from 670 to 622
Calculation steps:
[( 622 - 670 ) ÷ 670] x 100 = -7.16%
Formula
Percentage change = [(622 - 670) / 670] x 100
Subtract the new number by the original number
622 - 670 = -48
-48 ÷ 670 = -0.07164179104477612
-0.07164179104477612 x 100 = -7.16%