-96.37% is the change from 193 to 7
Calculation steps:
[( 7 - 193 ) ÷ 193] x 100 = -96.37%
Formula
Percentage change = [(7 - 193) / 193] x 100
Subtract the new number by the original number
7 - 193 = -186
-186 ÷ 193 = -0.9637305699481865
-0.9637305699481865 x 100 = -96.37%