-79.82% is the change from 223 to 45
Calculation steps:
[( 45 - 223 ) ÷ 223] x 100 = -79.82%
Formula
Percentage change = [(45 - 223) / 223] x 100
Subtract the new number by the original number
45 - 223 = -178
-178 ÷ 223 = -0.7982062780269058
-0.7982062780269058 x 100 = -79.82%