-1.74% is the change from 172 to 169
Calculation steps:
[( 169 - 172 ) ÷ 172] x 100 = -1.74%
Formula
Percentage change = [(169 - 172) / 172] x 100
Subtract the new number by the original number
169 - 172 = -3
-3 ÷ 172 = -0.01744186046511628
-0.01744186046511628 x 100 = -1.74%