-16.77% is the change from 477 to 397
Calculation steps:
[( 397 - 477 ) ÷ 477] x 100 = -16.77%
Formula
Percentage change = [(397 - 477) / 477] x 100
Subtract the new number by the original number
397 - 477 = -80
-80 ÷ 477 = -0.16771488469601678
-0.16771488469601678 x 100 = -16.77%