-97.12% is the change from 798 to 23
Calculation steps:
[( 23 - 798 ) ÷ 798] x 100 = -97.12%
Formula
Percentage change = [(23 - 798) / 798] x 100
Subtract the new number by the original number
23 - 798 = -775
-775 ÷ 798 = -0.9711779448621554
-0.9711779448621554 x 100 = -97.12%