-12.96% is the change from 486 to 423
Calculation steps:
[( 423 - 486 ) ÷ 486] x 100 = -12.96%
Formula
Percentage change = [(423 - 486) / 486] x 100
Subtract the new number by the original number
423 - 486 = -63
-63 ÷ 486 = -0.12962962962962962
-0.12962962962962962 x 100 = -12.96%