-96.61% is the change from 797 to 27
Calculation steps:
[( 27 - 797 ) ÷ 797] x 100 = -96.61%
Formula
Percentage change = [(27 - 797) / 797] x 100
Subtract the new number by the original number
27 - 797 = -770
-770 ÷ 797 = -0.9661229611041405
-0.9661229611041405 x 100 = -96.61%