-5.77% is the change from 659 to 621
Calculation steps:
[( 621 - 659 ) ÷ 659] x 100 = -5.77%
Formula
Percentage change = [(621 - 659) / 659] x 100
Subtract the new number by the original number
621 - 659 = -38
-38 ÷ 659 = -0.057663125948406675
-0.057663125948406675 x 100 = -5.77%