-10.75% is the change from 623 to 556
Calculation steps:
[( 556 - 623 ) ÷ 623] x 100 = -10.75%
Formula
Percentage change = [(556 - 623) / 623] x 100
Subtract the new number by the original number
556 - 623 = -67
-67 ÷ 623 = -0.10754414125200643
-0.10754414125200643 x 100 = -10.75%