-12.84% is the change from 623 to 543
Calculation steps:
[( 543 - 623 ) ÷ 623] x 100 = -12.84%
Formula
Percentage change = [(543 - 623) / 623] x 100
Subtract the new number by the original number
543 - 623 = -80
-80 ÷ 623 = -0.12841091492776885
-0.12841091492776885 x 100 = -12.84%