-2.27% is the change from 176 to 172
Calculation steps:
[( 172 - 176 ) ÷ 176] x 100 = -2.27%
Formula
Percentage change = [(172 - 176) / 176] x 100
Subtract the new number by the original number
172 - 176 = -4
-4 ÷ 176 = -0.022727272727272728
-0.022727272727272728 x 100 = -2.27%