-98.7% is the change from 154 to 2
Calculation steps:
[( 2 - 154 ) ÷ 154] x 100 = -98.7%
Formula
Percentage change = [(2 - 154) / 154] x 100
Subtract the new number by the original number
2 - 154 = -152
-152 ÷ 154 = -0.987012987012987
-0.987012987012987 x 100 = -98.7%