-22.71% is the change from 229 to 177
Calculation steps:
[( 177 - 229 ) ÷ 229] x 100 = -22.71%
Formula
Percentage change = [(177 - 229) / 229] x 100
Subtract the new number by the original number
177 - 229 = -52
-52 ÷ 229 = -0.22707423580786026
-0.22707423580786026 x 100 = -22.71%