8100% is the change from 6 to 492
Calculation steps:
[( 492 - 6 ) ÷ 6] x 100 = 8100%
Formula
Percentage change = [(492 - 6) / 6] x 100
Subtract the new number by the original number
492 - 6 = 486
486 ÷ 6 = 81
81 x 100 = 8100%
Example