-30.86% is the change from 175 to 121
Calculation steps:
[( 121 - 175 ) ÷ 175] x 100 = -30.86%
Formula
Percentage change = [(121 - 175) / 175] x 100
Subtract the new number by the original number
121 - 175 = -54
-54 ÷ 175 = -0.30857142857142855
-0.30857142857142855 x 100 = -30.86%