-98.76% is the change from 161 to 2
Calculation steps:
[( 2 - 161 ) ÷ 161] x 100 = -98.76%
Formula
Percentage change = [(2 - 161) / 161] x 100
Subtract the new number by the original number
2 - 161 = -159
-159 ÷ 161 = -0.9875776397515528
-0.9875776397515528 x 100 = -98.76%