-93.78% is the change from 209 to 13
Calculation steps:
[( 13 - 209 ) ÷ 209] x 100 = -93.78%
Formula
Percentage change = [(13 - 209) / 209] x 100
Subtract the new number by the original number
13 - 209 = -196
-196 ÷ 209 = -0.937799043062201
-0.937799043062201 x 100 = -93.78%