-18.01% is the change from 422 to 346
Calculation steps:
[( 346 - 422 ) ÷ 422] x 100 = -18.01%
Formula
Percentage change = [(346 - 422) / 422] x 100
Subtract the new number by the original number
346 - 422 = -76
-76 ÷ 422 = -0.18009478672985782
-0.18009478672985782 x 100 = -18.01%