-56.94% is the change from 490 to 211
Calculation steps:
[( 211 - 490 ) ÷ 490] x 100 = -56.94%
Formula
Percentage change = [(211 - 490) / 490] x 100
Subtract the new number by the original number
211 - 490 = -279
-279 ÷ 490 = -0.5693877551020409
-0.5693877551020409 x 100 = -56.94%