-87% is the change from 223 to 29
Calculation steps:
[( 29 - 223 ) ÷ 223] x 100 = -87%
Formula
Percentage change = [(29 - 223) / 223] x 100
Subtract the new number by the original number
29 - 223 = -194
-194 ÷ 223 = -0.8699551569506726
-0.8699551569506726 x 100 = -87%