-67.54% is the change from 798 to 259
Calculation steps:
[( 259 - 798 ) ÷ 798] x 100 = -67.54%
Formula
Percentage change = [(259 - 798) / 798] x 100
Subtract the new number by the original number
259 - 798 = -539
-539 ÷ 798 = -0.6754385964912281
-0.6754385964912281 x 100 = -67.54%