-39.01% is the change from 223 to 136
Calculation steps:
[( 136 - 223 ) ÷ 223] x 100 = -39.01%
Formula
Percentage change = [(136 - 223) / 223] x 100
Subtract the new number by the original number
136 - 223 = -87
-87 ÷ 223 = -0.3901345291479821
-0.3901345291479821 x 100 = -39.01%