-82.39% is the change from 460 to 81
Calculation steps:
[( 81 - 460 ) ÷ 460] x 100 = -82.39%
Formula
Percentage change = [(81 - 460) / 460] x 100
Subtract the new number by the original number
81 - 460 = -379
-379 ÷ 460 = -0.8239130434782609
-0.8239130434782609 x 100 = -82.39%