-96.48% is the change from 341 to 12
Calculation steps:
[( 12 - 341 ) ÷ 341] x 100 = -96.48%
Formula
Percentage change = [(12 - 341) / 341] x 100
Subtract the new number by the original number
12 - 341 = -329
-329 ÷ 341 = -0.9648093841642229
-0.9648093841642229 x 100 = -96.48%