-87.87% is the change from 841 to 102
Calculation steps:
[( 102 - 841 ) ÷ 841] x 100 = -87.87%
Formula
Percentage change = [(102 - 841) / 841] x 100
Subtract the new number by the original number
102 - 841 = -739
-739 ÷ 841 = -0.8787158145065398
-0.8787158145065398 x 100 = -87.87%