-14.69% is the change from 143 to 122
Calculation steps:
[( 122 - 143 ) ÷ 143] x 100 = -14.69%
Formula
Percentage change = [(122 - 143) / 143] x 100
Subtract the new number by the original number
122 - 143 = -21
-21 ÷ 143 = -0.14685314685314685
-0.14685314685314685 x 100 = -14.69%