-21.82% is the change from 165 to 129
Calculation steps:
[( 129 - 165 ) ÷ 165] x 100 = -21.82%
Formula
Percentage change = [(129 - 165) / 165] x 100
Subtract the new number by the original number
129 - 165 = -36
-36 ÷ 165 = -0.21818181818181817
-0.21818181818181817 x 100 = -21.82%