-8.12% is the change from 677 to 622
Calculation steps:
[( 622 - 677 ) ÷ 677] x 100 = -8.12%
Formula
Percentage change = [(622 - 677) / 677] x 100
Subtract the new number by the original number
622 - 677 = -55
-55 ÷ 677 = -0.08124076809453472
-0.08124076809453472 x 100 = -8.12%