-30.41% is the change from 296 to 206
Calculation steps:
[( 206 - 296 ) ÷ 296] x 100 = -30.41%
Formula
Percentage change = [(206 - 296) / 296] x 100
Subtract the new number by the original number
206 - 296 = -90
-90 ÷ 296 = -0.30405405405405406
-0.30405405405405406 x 100 = -30.41%