-73.4% is the change from 797 to 212
Calculation steps:
[( 212 - 797 ) ÷ 797] x 100 = -73.4%
Formula
Percentage change = [(212 - 797) / 797] x 100
Subtract the new number by the original number
212 - 797 = -585
-585 ÷ 797 = -0.7340025094102886
-0.7340025094102886 x 100 = -73.4%