-2.4% is the change from 167 to 163
Calculation steps:
[( 163 - 167 ) ÷ 167] x 100 = -2.4%
Formula
Percentage change = [(163 - 167) / 167] x 100
Subtract the new number by the original number
163 - 167 = -4
-4 ÷ 167 = -0.023952095808383235
-0.023952095808383235 x 100 = -2.4%