-23.77% is the change from 223 to 170
Calculation steps:
[( 170 - 223 ) ÷ 223] x 100 = -23.77%
Formula
Percentage change = [(170 - 223) / 223] x 100
Subtract the new number by the original number
170 - 223 = -53
-53 ÷ 223 = -0.23766816143497757
-0.23766816143497757 x 100 = -23.77%