-99.01% is the change from 101 to 1
Calculation steps:
[( 1 - 101 ) ÷ 101] x 100 = -99.01%
Formula
Percentage change = [(1 - 101) / 101] x 100
Subtract the new number by the original number
1 - 101 = -100
-100 ÷ 101 = -0.9900990099009901
-0.9900990099009901 x 100 = -99.01%