-18.97% is the change from 427 to 346
Calculation steps:
[( 346 - 427 ) ÷ 427] x 100 = -18.97%
Formula
Percentage change = [(346 - 427) / 427] x 100
Subtract the new number by the original number
346 - 427 = -81
-81 ÷ 427 = -0.18969555035128804
-0.18969555035128804 x 100 = -18.97%