-17.68% is the change from 198 to 163
Calculation steps:
[( 163 - 198 ) ÷ 198] x 100 = -17.68%
Formula
Percentage change = [(163 - 198) / 198] x 100
Subtract the new number by the original number
163 - 198 = -35
-35 ÷ 198 = -0.17676767676767677
-0.17676767676767677 x 100 = -17.68%