-11.47% is the change from 497 to 440
Calculation steps:
[( 440 - 497 ) ÷ 497] x 100 = -11.47%
Formula
Percentage change = [(440 - 497) / 497] x 100
Subtract the new number by the original number
440 - 497 = -57
-57 ÷ 497 = -0.11468812877263582
-0.11468812877263582 x 100 = -11.47%