-36.06% is the change from 477 to 305
Calculation steps:
[( 305 - 477 ) ÷ 477] x 100 = -36.06%
Formula
Percentage change = [(305 - 477) / 477] x 100
Subtract the new number by the original number
305 - 477 = -172
-172 ÷ 477 = -0.36058700209643607
-0.36058700209643607 x 100 = -36.06%