-86.23% is the change from 494 to 68
Calculation steps:
[( 68 - 494 ) ÷ 494] x 100 = -86.23%
Formula
Percentage change = [(68 - 494) / 494] x 100
Subtract the new number by the original number
68 - 494 = -426
-426 ÷ 494 = -0.8623481781376519
-0.8623481781376519 x 100 = -86.23%