-51.84% is the change from 841 to 405
Calculation steps:
[( 405 - 841 ) ÷ 841] x 100 = -51.84%
Formula
Percentage change = [(405 - 841) / 841] x 100
Subtract the new number by the original number
405 - 841 = -436
-436 ÷ 841 = -0.5184304399524375
-0.5184304399524375 x 100 = -51.84%