-91.19% is the change from 477 to 42
Calculation steps:
[( 42 - 477 ) ÷ 477] x 100 = -91.19%
Formula
Percentage change = [(42 - 477) / 477] x 100
Subtract the new number by the original number
42 - 477 = -435
-435 ÷ 477 = -0.9119496855345912
-0.9119496855345912 x 100 = -91.19%