-68.77% is the change from 810 to 253
Calculation steps:
[( 253 - 810 ) ÷ 810] x 100 = -68.77%
Formula
Percentage change = [(253 - 810) / 810] x 100
Subtract the new number by the original number
253 - 810 = -557
-557 ÷ 810 = -0.6876543209876543
-0.6876543209876543 x 100 = -68.77%