-79.36% is the change from 344 to 71
Calculation steps:
[( 71 - 344 ) ÷ 344] x 100 = -79.36%
Formula
Percentage change = [(71 - 344) / 344] x 100
Subtract the new number by the original number
71 - 344 = -273
-273 ÷ 344 = -0.7936046511627907
-0.7936046511627907 x 100 = -79.36%