-96.48% is the change from 199 to 7
Calculation steps:
[( 7 - 199 ) ÷ 199] x 100 = -96.48%
Formula
Percentage change = [(7 - 199) / 199] x 100
Subtract the new number by the original number
7 - 199 = -192
-192 ÷ 199 = -0.964824120603015
-0.964824120603015 x 100 = -96.48%