-26.06% is the change from 284 to 210
Calculation steps:
[( 210 - 284 ) ÷ 284] x 100 = -26.06%
Formula
Percentage change = [(210 - 284) / 284] x 100
Subtract the new number by the original number
210 - 284 = -74
-74 ÷ 284 = -0.2605633802816901
-0.2605633802816901 x 100 = -26.06%