-99.49% is the change from 197 to 1
Calculation steps:
[( 1 - 197 ) ÷ 197] x 100 = -99.49%
Formula
Percentage change = [(1 - 197) / 197] x 100
Subtract the new number by the original number
1 - 197 = -196
-196 ÷ 197 = -0.9949238578680203
-0.9949238578680203 x 100 = -99.49%