-98.06% is the change from 206 to 4
Calculation steps:
[( 4 - 206 ) ÷ 206] x 100 = -98.06%
Formula
Percentage change = [(4 - 206) / 206] x 100
Subtract the new number by the original number
4 - 206 = -202
-202 ÷ 206 = -0.9805825242718447
-0.9805825242718447 x 100 = -98.06%