-18.25% is the change from 422 to 345
Calculation steps:
[( 345 - 422 ) ÷ 422] x 100 = -18.25%
Formula
Percentage change = [(345 - 422) / 422] x 100
Subtract the new number by the original number
345 - 422 = -77
-77 ÷ 422 = -0.18246445497630331
-0.18246445497630331 x 100 = -18.25%