-20.62% is the change from 422 to 335
Calculation steps:
[( 335 - 422 ) ÷ 422] x 100 = -20.62%
Formula
Percentage change = [(335 - 422) / 422] x 100
Subtract the new number by the original number
335 - 422 = -87
-87 ÷ 422 = -0.20616113744075829
-0.20616113744075829 x 100 = -20.62%