-21.21% is the change from 165 to 130
Calculation steps:
[( 130 - 165 ) ÷ 165] x 100 = -21.21%
Formula
Percentage change = [(130 - 165) / 165] x 100
Subtract the new number by the original number
130 - 165 = -35
-35 ÷ 165 = -0.21212121212121213
-0.21212121212121213 x 100 = -21.21%