-55.44% is the change from 496 to 221
Calculation steps:
[( 221 - 496 ) ÷ 496] x 100 = -55.44%
Formula
Percentage change = [(221 - 496) / 496] x 100
Subtract the new number by the original number
221 - 496 = -275
-275 ÷ 496 = -0.5544354838709677
-0.5544354838709677 x 100 = -55.44%