-39.83% is the change from 841 to 506
Calculation steps:
[( 506 - 841 ) ÷ 841] x 100 = -39.83%
Formula
Percentage change = [(506 - 841) / 841] x 100
Subtract the new number by the original number
506 - 841 = -335
-335 ÷ 841 = -0.3983353151010702
-0.3983353151010702 x 100 = -39.83%