-69.3% is the change from 355 to 109
Calculation steps:
[( 109 - 355 ) ÷ 355] x 100 = -69.3%
Formula
Percentage change = [(109 - 355) / 355] x 100
Subtract the new number by the original number
109 - 355 = -246
-246 ÷ 355 = -0.6929577464788732
-0.6929577464788732 x 100 = -69.3%