-85.58% is the change from 208 to 30
Calculation steps:
[( 30 - 208 ) ÷ 208] x 100 = -85.58%
Formula
Percentage change = [(30 - 208) / 208] x 100
Subtract the new number by the original number
30 - 208 = -178
-178 ÷ 208 = -0.8557692307692307
-0.8557692307692307 x 100 = -85.58%