-47.27% is the change from 421 to 222
Calculation steps:
[( 222 - 421 ) ÷ 421] x 100 = -47.27%
Formula
Percentage change = [(222 - 421) / 421] x 100
Subtract the new number by the original number
222 - 421 = -199
-199 ÷ 421 = -0.47268408551068886
-0.47268408551068886 x 100 = -47.27%