-7.38% is the change from 623 to 577
Calculation steps:
[( 577 - 623 ) ÷ 623] x 100 = -7.38%
Formula
Percentage change = [(577 - 623) / 623] x 100
Subtract the new number by the original number
577 - 623 = -46
-46 ÷ 623 = -0.0738362760834671
-0.0738362760834671 x 100 = -7.38%