-8.14% is the change from 676 to 621
Calculation steps:
[( 621 - 676 ) ÷ 676] x 100 = -8.14%
Formula
Percentage change = [(621 - 676) / 676] x 100
Subtract the new number by the original number
621 - 676 = -55
-55 ÷ 676 = -0.08136094674556213
-0.08136094674556213 x 100 = -8.14%