-96.19% is the change from 341 to 13
Calculation steps:
[( 13 - 341 ) ÷ 341] x 100 = -96.19%
Formula
Percentage change = [(13 - 341) / 341] x 100
Subtract the new number by the original number
13 - 341 = -328
-328 ÷ 341 = -0.9618768328445748
-0.9618768328445748 x 100 = -96.19%