-68.76% is the change from 797 to 249
Calculation steps:
[( 249 - 797 ) ÷ 797] x 100 = -68.76%
Formula
Percentage change = [(249 - 797) / 797] x 100
Subtract the new number by the original number
249 - 797 = -548
-548 ÷ 797 = -0.6875784190715182
-0.6875784190715182 x 100 = -68.76%