-96.45% is the change from 197 to 7
Calculation steps:
[( 7 - 197 ) ÷ 197] x 100 = -96.45%
Formula
Percentage change = [(7 - 197) / 197] x 100
Subtract the new number by the original number
7 - 197 = -190
-190 ÷ 197 = -0.9644670050761421
-0.9644670050761421 x 100 = -96.45%