-14.05% is the change from 121 to 104
Calculation steps:
[( 104 - 121 ) ÷ 121] x 100 = -14.05%
Formula
Percentage change = [(104 - 121) / 121] x 100
Subtract the new number by the original number
104 - 121 = -17
-17 ÷ 121 = -0.14049586776859505
-0.14049586776859505 x 100 = -14.05%