-96.34% is the change from 355 to 13
Calculation steps:
[( 13 - 355 ) ÷ 355] x 100 = -96.34%
Formula
Percentage change = [(13 - 355) / 355] x 100
Subtract the new number by the original number
13 - 355 = -342
-342 ÷ 355 = -0.9633802816901409
-0.9633802816901409 x 100 = -96.34%