-99.47% is the change from 189 to 1
Calculation steps:
[( 1 - 189 ) ÷ 189] x 100 = -99.47%
Formula
Percentage change = [(1 - 189) / 189] x 100
Subtract the new number by the original number
1 - 189 = -188
-188 ÷ 189 = -0.9947089947089947
-0.9947089947089947 x 100 = -99.47%