-50.71% is the change from 422 to 208
Calculation steps:
[( 208 - 422 ) ÷ 422] x 100 = -50.71%
Formula
Percentage change = [(208 - 422) / 422] x 100
Subtract the new number by the original number
208 - 422 = -214
-214 ÷ 422 = -0.5071090047393365
-0.5071090047393365 x 100 = -50.71%