-25.76% is the change from 229 to 170
Calculation steps:
[( 170 - 229 ) ÷ 229] x 100 = -25.76%
Formula
Percentage change = [(170 - 229) / 229] x 100
Subtract the new number by the original number
170 - 229 = -59
-59 ÷ 229 = -0.2576419213973799
-0.2576419213973799 x 100 = -25.76%