-26.22% is the change from 164 to 121
Calculation steps:
[( 121 - 164 ) ÷ 164] x 100 = -26.22%
Formula
Percentage change = [(121 - 164) / 164] x 100
Subtract the new number by the original number
121 - 164 = -43
-43 ÷ 164 = -0.2621951219512195
-0.2621951219512195 x 100 = -26.22%