-97.95% is the change from 341 to 7
Calculation steps:
[( 7 - 341 ) ÷ 341] x 100 = -97.95%
Formula
Percentage change = [(7 - 341) / 341] x 100
Subtract the new number by the original number
7 - 341 = -334
-334 ÷ 341 = -0.9794721407624634
-0.9794721407624634 x 100 = -97.95%