-2% is the change from 200 to 196
Calculation steps:
[( 196 - 200 ) ÷ 200] x 100 = -2%
Formula
Percentage change = [(196 - 200) / 200] x 100
Subtract the new number by the original number
196 - 200 = -4
-4 ÷ 200 = -0.02
-0.02 x 100 = -2%
Example