-97.57% is the change from 371 to 9
Calculation steps:
[( 9 - 371 ) ÷ 371] x 100 = -97.57%
Formula
Percentage change = [(9 - 371) / 371] x 100
Subtract the new number by the original number
9 - 371 = -362
-362 ÷ 371 = -0.9757412398921833
-0.9757412398921833 x 100 = -97.57%