-77.36% is the change from 349 to 79
Calculation steps:
[( 79 - 349 ) ÷ 349] x 100 = -77.36%
Formula
Percentage change = [(79 - 349) / 349] x 100
Subtract the new number by the original number
79 - 349 = -270
-270 ÷ 349 = -0.7736389684813754
-0.7736389684813754 x 100 = -77.36%