-76.32% is the change from 418 to 99
Calculation steps:
[( 99 - 418 ) ÷ 418] x 100 = -76.32%
Formula
Percentage change = [(99 - 418) / 418] x 100
Subtract the new number by the original number
99 - 418 = -319
-319 ÷ 418 = -0.7631578947368421
-0.7631578947368421 x 100 = -76.32%