-91.72% is the change from 471 to 39
Calculation steps:
[( 39 - 471 ) ÷ 471] x 100 = -91.72%
Formula
Percentage change = [(39 - 471) / 471] x 100
Subtract the new number by the original number
39 - 471 = -432
-432 ÷ 471 = -0.9171974522292994
-0.9171974522292994 x 100 = -91.72%