-90.91% is the change from 33 to 3
Calculation steps:
[( 3 - 33 ) ÷ 33] x 100 = -90.91%
Formula
Percentage change = [(3 - 33) / 33] x 100
Subtract the new number by the original number
3 - 33 = -30
-30 ÷ 33 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%