-98.71% is the change from 155 to 2
Calculation steps:
[( 2 - 155 ) ÷ 155] x 100 = -98.71%
Formula
Percentage change = [(2 - 155) / 155] x 100
Subtract the new number by the original number
2 - 155 = -153
-153 ÷ 155 = -0.9870967741935484
-0.9870967741935484 x 100 = -98.71%