-86.92% is the change from 497 to 65
Calculation steps:
[( 65 - 497 ) ÷ 497] x 100 = -86.92%
Formula
Percentage change = [(65 - 497) / 497] x 100
Subtract the new number by the original number
65 - 497 = -432
-432 ÷ 497 = -0.869215291750503
-0.869215291750503 x 100 = -86.92%