-97.9% is the change from 476 to 10
Calculation steps:
[( 10 - 476 ) ÷ 476] x 100 = -97.9%
Formula
Percentage change = [(10 - 476) / 476] x 100
Subtract the new number by the original number
10 - 476 = -466
-466 ÷ 476 = -0.9789915966386554
-0.9789915966386554 x 100 = -97.9%