487.8% is the change from 82 to 482
Calculation steps:
[( 482 - 82 ) ÷ 82] x 100 = 487.8%
Formula
Percentage change = [(482 - 82) / 82] x 100
Subtract the new number by the original number
482 - 82 = 400
400 ÷ 82 = 4.878048780487805
4.878048780487805 x 100 = 487.8%