-98.05% is the change from 819 to 16
Calculation steps:
[( 16 - 819 ) ÷ 819] x 100 = -98.05%
Formula
Percentage change = [(16 - 819) / 819] x 100
Subtract the new number by the original number
16 - 819 = -803
-803 ÷ 819 = -0.9804639804639804
-0.9804639804639804 x 100 = -98.05%