-20.14% is the change from 427 to 341
Calculation steps:
[( 341 - 427 ) ÷ 427] x 100 = -20.14%
Formula
Percentage change = [(341 - 427) / 427] x 100
Subtract the new number by the original number
341 - 427 = -86
-86 ÷ 427 = -0.20140515222482436
-0.20140515222482436 x 100 = -20.14%