-23.11% is the change from 623 to 479
Calculation steps:
[( 479 - 623 ) ÷ 623] x 100 = -23.11%
Formula
Percentage change = [(479 - 623) / 623] x 100
Subtract the new number by the original number
479 - 623 = -144
-144 ÷ 623 = -0.23113964686998395
-0.23113964686998395 x 100 = -23.11%