-91.35% is the change from 208 to 18
Calculation steps:
[( 18 - 208 ) ÷ 208] x 100 = -91.35%
Formula
Percentage change = [(18 - 208) / 208] x 100
Subtract the new number by the original number
18 - 208 = -190
-190 ÷ 208 = -0.9134615384615384
-0.9134615384615384 x 100 = -91.35%