-27.27% is the change from 121 to 88
Calculation steps:
[( 88 - 121 ) ÷ 121] x 100 = -27.27%
Formula
Percentage change = [(88 - 121) / 121] x 100
Subtract the new number by the original number
88 - 121 = -33
-33 ÷ 121 = -0.2727272727272727
-0.2727272727272727 x 100 = -27.27%