-96.82% is the change from 471 to 15
Calculation steps:
[( 15 - 471 ) ÷ 471] x 100 = -96.82%
Formula
Percentage change = [(15 - 471) / 471] x 100
Subtract the new number by the original number
15 - 471 = -456
-456 ÷ 471 = -0.9681528662420382
-0.9681528662420382 x 100 = -96.82%