-55.94% is the change from 497 to 219
Calculation steps:
[( 219 - 497 ) ÷ 497] x 100 = -55.94%
Formula
Percentage change = [(219 - 497) / 497] x 100
Subtract the new number by the original number
219 - 497 = -278
-278 ÷ 497 = -0.5593561368209256
-0.5593561368209256 x 100 = -55.94%