-17.18% is the change from 163 to 135
Calculation steps:
[( 135 - 163 ) ÷ 163] x 100 = -17.18%
Formula
Percentage change = [(135 - 163) / 163] x 100
Subtract the new number by the original number
135 - 163 = -28
-28 ÷ 163 = -0.17177914110429449
-0.17177914110429449 x 100 = -17.18%