-91.21% is the change from 330 to 29
Calculation steps:
[( 29 - 330 ) ÷ 330] x 100 = -91.21%
Formula
Percentage change = [(29 - 330) / 330] x 100
Subtract the new number by the original number
29 - 330 = -301
-301 ÷ 330 = -0.9121212121212121
-0.9121212121212121 x 100 = -91.21%