-72.73% is the change from 121 to 33
Calculation steps:
[( 33 - 121 ) ÷ 121] x 100 = -72.73%
Formula
Percentage change = [(33 - 121) / 121] x 100
Subtract the new number by the original number
33 - 121 = -88
-88 ÷ 121 = -0.7272727272727273
-0.7272727272727273 x 100 = -72.73%