-86.12% is the change from 497 to 69
Calculation steps:
[( 69 - 497 ) ÷ 497] x 100 = -86.12%
Formula
Percentage change = [(69 - 497) / 497] x 100
Subtract the new number by the original number
69 - 497 = -428
-428 ÷ 497 = -0.8611670020120724
-0.8611670020120724 x 100 = -86.12%