-4.91% is the change from 163 to 155
Calculation steps:
[( 155 - 163 ) ÷ 163] x 100 = -4.91%
Formula
Percentage change = [(155 - 163) / 163] x 100
Subtract the new number by the original number
155 - 163 = -8
-8 ÷ 163 = -0.049079754601226995
-0.049079754601226995 x 100 = -4.91%