-94.09% is the change from 423 to 25
Calculation steps:
[( 25 - 423 ) ÷ 423] x 100 = -94.09%
Formula
Percentage change = [(25 - 423) / 423] x 100
Subtract the new number by the original number
25 - 423 = -398
-398 ÷ 423 = -0.9408983451536643
-0.9408983451536643 x 100 = -94.09%