-68.55% is the change from 798 to 251
Calculation steps:
[( 251 - 798 ) ÷ 798] x 100 = -68.55%
Formula
Percentage change = [(251 - 798) / 798] x 100
Subtract the new number by the original number
251 - 798 = -547
-547 ÷ 798 = -0.6854636591478697
-0.6854636591478697 x 100 = -68.55%