-98.37% is the change from 123 to 2
Calculation steps:
[( 2 - 123 ) ÷ 123] x 100 = -98.37%
Formula
Percentage change = [(2 - 123) / 123] x 100
Subtract the new number by the original number
2 - 123 = -121
-121 ÷ 123 = -0.983739837398374
-0.983739837398374 x 100 = -98.37%