-77.3% is the change from 348 to 79
Calculation steps:
[( 79 - 348 ) ÷ 348] x 100 = -77.3%
Formula
Percentage change = [(79 - 348) / 348] x 100
Subtract the new number by the original number
79 - 348 = -269
-269 ÷ 348 = -0.7729885057471264
-0.7729885057471264 x 100 = -77.3%