-47.99% is the change from 423 to 220
Calculation steps:
[( 220 - 423 ) ÷ 423] x 100 = -47.99%
Formula
Percentage change = [(220 - 423) / 423] x 100
Subtract the new number by the original number
220 - 423 = -203
-203 ÷ 423 = -0.4799054373522459
-0.4799054373522459 x 100 = -47.99%