-98.73% is the change from 157 to 2
Calculation steps:
[( 2 - 157 ) ÷ 157] x 100 = -98.73%
Formula
Percentage change = [(2 - 157) / 157] x 100
Subtract the new number by the original number
2 - 157 = -155
-155 ÷ 157 = -0.9872611464968153
-0.9872611464968153 x 100 = -98.73%