-86.33% is the change from 490 to 67
Calculation steps:
[( 67 - 490 ) ÷ 490] x 100 = -86.33%
Formula
Percentage change = [(67 - 490) / 490] x 100
Subtract the new number by the original number
67 - 490 = -423
-423 ÷ 490 = -0.863265306122449
-0.863265306122449 x 100 = -86.33%