-69.86% is the change from 345 to 104
Calculation steps:
[( 104 - 345 ) ÷ 345] x 100 = -69.86%
Formula
Percentage change = [(104 - 345) / 345] x 100
Subtract the new number by the original number
104 - 345 = -241
-241 ÷ 345 = -0.6985507246376812
-0.6985507246376812 x 100 = -69.86%