-98.99% is the change from 199 to 2
Calculation steps:
[( 2 - 199 ) ÷ 199] x 100 = -98.99%
Formula
Percentage change = [(2 - 199) / 199] x 100
Subtract the new number by the original number
2 - 199 = -197
-197 ÷ 199 = -0.9899497487437185
-0.9899497487437185 x 100 = -98.99%