-63.2% is the change from 481 to 177
Calculation steps:
[( 177 - 481 ) ÷ 481] x 100 = -63.2%
Formula
Percentage change = [(177 - 481) / 481] x 100
Subtract the new number by the original number
177 - 481 = -304
-304 ÷ 481 = -0.632016632016632
-0.632016632016632 x 100 = -63.2%