-65.72% is the change from 318 to 109
Calculation steps:
[( 109 - 318 ) ÷ 318] x 100 = -65.72%
Formula
Percentage change = [(109 - 318) / 318] x 100
Subtract the new number by the original number
109 - 318 = -209
-209 ÷ 318 = -0.6572327044025157
-0.6572327044025157 x 100 = -65.72%