-67.26% is the change from 223 to 73
Calculation steps:
[( 73 - 223 ) ÷ 223] x 100 = -67.26%
Formula
Percentage change = [(73 - 223) / 223] x 100
Subtract the new number by the original number
73 - 223 = -150
-150 ÷ 223 = -0.672645739910314
-0.672645739910314 x 100 = -67.26%