-66.55% is the change from 296 to 99
Calculation steps:
[( 99 - 296 ) ÷ 296] x 100 = -66.55%
Formula
Percentage change = [(99 - 296) / 296] x 100
Subtract the new number by the original number
99 - 296 = -197
-197 ÷ 296 = -0.6655405405405406
-0.6655405405405406 x 100 = -66.55%