-2.98% is the change from 168 to 163
Calculation steps:
[( 163 - 168 ) ÷ 168] x 100 = -2.98%
Formula
Percentage change = [(163 - 168) / 168] x 100
Subtract the new number by the original number
163 - 168 = -5
-5 ÷ 168 = -0.02976190476190476
-0.02976190476190476 x 100 = -2.98%