-45.5% is the change from 422 to 230
Calculation steps:
[( 230 - 422 ) ÷ 422] x 100 = -45.5%
Formula
Percentage change = [(230 - 422) / 422] x 100
Subtract the new number by the original number
230 - 422 = -192
-192 ÷ 422 = -0.4549763033175355
-0.4549763033175355 x 100 = -45.5%