-93.84% is the change from 341 to 21
Calculation steps:
[( 21 - 341 ) ÷ 341] x 100 = -93.84%
Formula
Percentage change = [(21 - 341) / 341] x 100
Subtract the new number by the original number
21 - 341 = -320
-320 ÷ 341 = -0.9384164222873901
-0.9384164222873901 x 100 = -93.84%