-78.31% is the change from 355 to 77
Calculation steps:
[( 77 - 355 ) ÷ 355] x 100 = -78.31%
Formula
Percentage change = [(77 - 355) / 355] x 100
Subtract the new number by the original number
77 - 355 = -278
-278 ÷ 355 = -0.7830985915492957
-0.7830985915492957 x 100 = -78.31%