-63.51% is the change from 485 to 177
Calculation steps:
[( 177 - 485 ) ÷ 485] x 100 = -63.51%
Formula
Percentage change = [(177 - 485) / 485] x 100
Subtract the new number by the original number
177 - 485 = -308
-308 ÷ 485 = -0.6350515463917525
-0.6350515463917525 x 100 = -63.51%