-97.99% is the change from 797 to 16
Calculation steps:
[( 16 - 797 ) ÷ 797] x 100 = -97.99%
Formula
Percentage change = [(16 - 797) / 797] x 100
Subtract the new number by the original number
16 - 797 = -781
-781 ÷ 797 = -0.9799247176913425
-0.9799247176913425 x 100 = -97.99%