-26.42% is the change from 810 to 596
Calculation steps:
[( 596 - 810 ) ÷ 810] x 100 = -26.42%
Formula
Percentage change = [(596 - 810) / 810] x 100
Subtract the new number by the original number
596 - 810 = -214
-214 ÷ 810 = -0.2641975308641975
-0.2641975308641975 x 100 = -26.42%