-99.33% is the change from 150 to 1
Calculation steps:
[( 1 - 150 ) ÷ 150] x 100 = -99.33%
Formula
Percentage change = [(1 - 150) / 150] x 100
Subtract the new number by the original number
1 - 150 = -149
-149 ÷ 150 = -0.9933333333333333
-0.9933333333333333 x 100 = -99.33%