-55.92% is the change from 490 to 216
Calculation steps:
[( 216 - 490 ) ÷ 490] x 100 = -55.92%
Formula
Percentage change = [(216 - 490) / 490] x 100
Subtract the new number by the original number
216 - 490 = -274
-274 ÷ 490 = -0.5591836734693878
-0.5591836734693878 x 100 = -55.92%