-56.33% is the change from 490 to 214
Calculation steps:
[( 214 - 490 ) ÷ 490] x 100 = -56.33%
Formula
Percentage change = [(214 - 490) / 490] x 100
Subtract the new number by the original number
214 - 490 = -276
-276 ÷ 490 = -0.563265306122449
-0.563265306122449 x 100 = -56.33%