-79.07% is the change from 344 to 72
Calculation steps:
[( 72 - 344 ) ÷ 344] x 100 = -79.07%
Formula
Percentage change = [(72 - 344) / 344] x 100
Subtract the new number by the original number
72 - 344 = -272
-272 ÷ 344 = -0.7906976744186046
-0.7906976744186046 x 100 = -79.07%