-22.15% is the change from 623 to 485
Calculation steps:
[( 485 - 623 ) ÷ 623] x 100 = -22.15%
Formula
Percentage change = [(485 - 623) / 623] x 100
Subtract the new number by the original number
485 - 623 = -138
-138 ÷ 623 = -0.22150882825040127
-0.22150882825040127 x 100 = -22.15%