-71.95% is the change from 353 to 99
Calculation steps:
[( 99 - 353 ) ÷ 353] x 100 = -71.95%
Formula
Percentage change = [(99 - 353) / 353] x 100
Subtract the new number by the original number
99 - 353 = -254
-254 ÷ 353 = -0.7195467422096318
-0.7195467422096318 x 100 = -71.95%