-3.78% is the change from 423 to 407
Calculation steps:
[( 407 - 423 ) ÷ 423] x 100 = -3.78%
Formula
Percentage change = [(407 - 423) / 423] x 100
Subtract the new number by the original number
407 - 423 = -16
-16 ÷ 423 = -0.037825059101654845
-0.037825059101654845 x 100 = -3.78%