-8.7% is the change from 621 to 567
Calculation steps:
[( 567 - 621 ) ÷ 621] x 100 = -8.7%
Formula
Percentage change = [(567 - 621) / 621] x 100
Subtract the new number by the original number
567 - 621 = -54
-54 ÷ 621 = -0.08695652173913043
-0.08695652173913043 x 100 = -8.7%