-95.64% is the change from 482 to 21
Calculation steps:
[( 21 - 482 ) ÷ 482] x 100 = -95.64%
Formula
Percentage change = [(21 - 482) / 482] x 100
Subtract the new number by the original number
21 - 482 = -461
-461 ÷ 482 = -0.9564315352697096
-0.9564315352697096 x 100 = -95.64%