-98.09% is the change from 837 to 16
Calculation steps:
[( 16 - 837 ) ÷ 837] x 100 = -98.09%
Formula
Percentage change = [(16 - 837) / 837] x 100
Subtract the new number by the original number
16 - 837 = -821
-821 ÷ 837 = -0.980884109916368
-0.980884109916368 x 100 = -98.09%