-77.43% is the change from 319 to 72
Calculation steps:
[( 72 - 319 ) ÷ 319] x 100 = -77.43%
Formula
Percentage change = [(72 - 319) / 319] x 100
Subtract the new number by the original number
72 - 319 = -247
-247 ÷ 319 = -0.774294670846395
-0.774294670846395 x 100 = -77.43%