-5.2% is the change from 423 to 401
Calculation steps:
[( 401 - 423 ) ÷ 423] x 100 = -5.2%
Formula
Percentage change = [(401 - 423) / 423] x 100
Subtract the new number by the original number
401 - 423 = -22
-22 ÷ 423 = -0.05200945626477541
-0.05200945626477541 x 100 = -5.2%