-2.26% is the change from 177 to 173
Calculation steps:
[( 173 - 177 ) ÷ 177] x 100 = -2.26%
Formula
Percentage change = [(173 - 177) / 177] x 100
Subtract the new number by the original number
173 - 177 = -4
-4 ÷ 177 = -0.022598870056497175
-0.022598870056497175 x 100 = -2.26%