-2.85% is the change from 841 to 817
Calculation steps:
[( 817 - 841 ) ÷ 841] x 100 = -2.85%
Formula
Percentage change = [(817 - 841) / 841] x 100
Subtract the new number by the original number
817 - 841 = -24
-24 ÷ 841 = -0.028537455410225922
-0.028537455410225922 x 100 = -2.85%