-95.49% is the change from 466 to 21
Calculation steps:
[( 21 - 466 ) ÷ 466] x 100 = -95.49%
Formula
Percentage change = [(21 - 466) / 466] x 100
Subtract the new number by the original number
21 - 466 = -445
-445 ÷ 466 = -0.9549356223175965
-0.9549356223175965 x 100 = -95.49%