-94.63% is the change from 428 to 23
Calculation steps:
[( 23 - 428 ) ÷ 428] x 100 = -94.63%
Formula
Percentage change = [(23 - 428) / 428] x 100
Subtract the new number by the original number
23 - 428 = -405
-405 ÷ 428 = -0.9462616822429907
-0.9462616822429907 x 100 = -94.63%