-9.15% is the change from 623 to 566
Calculation steps:
[( 566 - 623 ) ÷ 623] x 100 = -9.15%
Formula
Percentage change = [(566 - 623) / 623] x 100
Subtract the new number by the original number
566 - 623 = -57
-57 ÷ 623 = -0.09149277688603531
-0.09149277688603531 x 100 = -9.15%