-15.84% is the change from 423 to 356
Calculation steps:
[( 356 - 423 ) ÷ 423] x 100 = -15.84%
Formula
Percentage change = [(356 - 423) / 423] x 100
Subtract the new number by the original number
356 - 423 = -67
-67 ÷ 423 = -0.15839243498817968
-0.15839243498817968 x 100 = -15.84%