-96.28% is the change from 349 to 13
Calculation steps:
[( 13 - 349 ) ÷ 349] x 100 = -96.28%
Formula
Percentage change = [(13 - 349) / 349] x 100
Subtract the new number by the original number
13 - 349 = -336
-336 ÷ 349 = -0.9627507163323782
-0.9627507163323782 x 100 = -96.28%