-7.33% is the change from 423 to 392
Calculation steps:
[( 392 - 423 ) ÷ 423] x 100 = -7.33%
Formula
Percentage change = [(392 - 423) / 423] x 100
Subtract the new number by the original number
392 - 423 = -31
-31 ÷ 423 = -0.07328605200945626
-0.07328605200945626 x 100 = -7.33%