-68.7% is the change from 345 to 108
Calculation steps:
[( 108 - 345 ) ÷ 345] x 100 = -68.7%
Formula
Percentage change = [(108 - 345) / 345] x 100
Subtract the new number by the original number
108 - 345 = -237
-237 ÷ 345 = -0.6869565217391305
-0.6869565217391305 x 100 = -68.7%