-53.19% is the change from 423 to 198
Calculation steps:
[( 198 - 423 ) ÷ 423] x 100 = -53.19%
Formula
Percentage change = [(198 - 423) / 423] x 100
Subtract the new number by the original number
198 - 423 = -225
-225 ÷ 423 = -0.5319148936170213
-0.5319148936170213 x 100 = -53.19%