-57.58% is the change from 495 to 210
Calculation steps:
[( 210 - 495 ) ÷ 495] x 100 = -57.58%
Formula
Percentage change = [(210 - 495) / 495] x 100
Subtract the new number by the original number
210 - 495 = -285
-285 ÷ 495 = -0.5757575757575758
-0.5757575757575758 x 100 = -57.58%