-47.9% is the change from 428 to 223
Calculation steps:
[( 223 - 428 ) ÷ 428] x 100 = -47.9%
Formula
Percentage change = [(223 - 428) / 428] x 100
Subtract the new number by the original number
223 - 428 = -205
-205 ÷ 428 = -0.47897196261682246
-0.47897196261682246 x 100 = -47.9%