-40.43% is the change from 841 to 501
Calculation steps:
[( 501 - 841 ) ÷ 841] x 100 = -40.43%
Formula
Percentage change = [(501 - 841) / 841] x 100
Subtract the new number by the original number
501 - 841 = -340
-340 ÷ 841 = -0.4042806183115339
-0.4042806183115339 x 100 = -40.43%