-78.27% is the change from 336 to 73
Calculation steps:
[( 73 - 336 ) ÷ 336] x 100 = -78.27%
Formula
Percentage change = [(73 - 336) / 336] x 100
Subtract the new number by the original number
73 - 336 = -263
-263 ÷ 336 = -0.7827380952380952
-0.7827380952380952 x 100 = -78.27%