-78.51% is the change from 349 to 75
Calculation steps:
[( 75 - 349 ) ÷ 349] x 100 = -78.51%
Formula
Percentage change = [(75 - 349) / 349] x 100
Subtract the new number by the original number
75 - 349 = -274
-274 ÷ 349 = -0.7851002865329513
-0.7851002865329513 x 100 = -78.51%