-47.14% is the change from 420 to 222
Calculation steps:
[( 222 - 420 ) ÷ 420] x 100 = -47.14%
Formula
Percentage change = [(222 - 420) / 420] x 100
Subtract the new number by the original number
222 - 420 = -198
-198 ÷ 420 = -0.4714285714285714
-0.4714285714285714 x 100 = -47.14%