-96.81% is the change from 345 to 11
Calculation steps:
[( 11 - 345 ) ÷ 345] x 100 = -96.81%
Formula
Percentage change = [(11 - 345) / 345] x 100
Subtract the new number by the original number
11 - 345 = -334
-334 ÷ 345 = -0.9681159420289855
-0.9681159420289855 x 100 = -96.81%