-78.03% is the change from 355 to 78
Calculation steps:
[( 78 - 355 ) ÷ 355] x 100 = -78.03%
Formula
Percentage change = [(78 - 355) / 355] x 100
Subtract the new number by the original number
78 - 355 = -277
-277 ÷ 355 = -0.780281690140845
-0.780281690140845 x 100 = -78.03%