-87.81% is the change from 837 to 102
Calculation steps:
[( 102 - 837 ) ÷ 837] x 100 = -87.81%
Formula
Percentage change = [(102 - 837) / 837] x 100
Subtract the new number by the original number
102 - 837 = -735
-735 ÷ 837 = -0.8781362007168458
-0.8781362007168458 x 100 = -87.81%