-97.31% is the change from 334 to 9
Calculation steps:
[( 9 - 334 ) ÷ 334] x 100 = -97.31%
Formula
Percentage change = [(9 - 334) / 334] x 100
Subtract the new number by the original number
9 - 334 = -325
-325 ÷ 334 = -0.9730538922155688
-0.9730538922155688 x 100 = -97.31%