-67.5% is the change from 797 to 259
Calculation steps:
[( 259 - 797 ) ÷ 797] x 100 = -67.5%
Formula
Percentage change = [(259 - 797) / 797] x 100
Subtract the new number by the original number
259 - 797 = -538
-538 ÷ 797 = -0.6750313676286073
-0.6750313676286073 x 100 = -67.5%