-97.41% is the change from 347 to 9
Calculation steps:
[( 9 - 347 ) ÷ 347] x 100 = -97.41%
Formula
Percentage change = [(9 - 347) / 347] x 100
Subtract the new number by the original number
9 - 347 = -338
-338 ÷ 347 = -0.9740634005763689
-0.9740634005763689 x 100 = -97.41%