-97.41% is the change from 348 to 9
Calculation steps:
[( 9 - 348 ) ÷ 348] x 100 = -97.41%
Formula
Percentage change = [(9 - 348) / 348] x 100
Subtract the new number by the original number
9 - 348 = -339
-339 ÷ 348 = -0.9741379310344828
-0.9741379310344828 x 100 = -97.41%