-96.43% is the change from 841 to 30
Calculation steps:
[( 30 - 841 ) ÷ 841] x 100 = -96.43%
Formula
Percentage change = [(30 - 841) / 841] x 100
Subtract the new number by the original number
30 - 841 = -811
-811 ÷ 841 = -0.9643281807372176
-0.9643281807372176 x 100 = -96.43%