-50.14% is the change from 355 to 177
Calculation steps:
[( 177 - 355 ) ÷ 355] x 100 = -50.14%
Formula
Percentage change = [(177 - 355) / 355] x 100
Subtract the new number by the original number
177 - 355 = -178
-178 ÷ 355 = -0.5014084507042254
-0.5014084507042254 x 100 = -50.14%