-7.91% is the change from 177 to 163
Calculation steps:
[( 163 - 177 ) ÷ 177] x 100 = -7.91%
Formula
Percentage change = [(163 - 177) / 177] x 100
Subtract the new number by the original number
163 - 177 = -14
-14 ÷ 177 = -0.07909604519774012
-0.07909604519774012 x 100 = -7.91%