-99.47% is the change from 190 to 1
Calculation steps:
[( 1 - 190 ) ÷ 190] x 100 = -99.47%
Formula
Percentage change = [(1 - 190) / 190] x 100
Subtract the new number by the original number
1 - 190 = -189
-189 ÷ 190 = -0.9947368421052631
-0.9947368421052631 x 100 = -99.47%