-97.98% is the change from 347 to 7
Calculation steps:
[( 7 - 347 ) ÷ 347] x 100 = -97.98%
Formula
Percentage change = [(7 - 347) / 347] x 100
Subtract the new number by the original number
7 - 347 = -340
-340 ÷ 347 = -0.9798270893371758
-0.9798270893371758 x 100 = -97.98%