-73.02% is the change from 797 to 215
Calculation steps:
[( 215 - 797 ) ÷ 797] x 100 = -73.02%
Formula
Percentage change = [(215 - 797) / 797] x 100
Subtract the new number by the original number
215 - 797 = -582
-582 ÷ 797 = -0.7302383939774153
-0.7302383939774153 x 100 = -73.02%