-34.98% is the change from 809 to 526
Calculation steps:
[( 526 - 809 ) ÷ 809] x 100 = -34.98%
Formula
Percentage change = [(526 - 809) / 809] x 100
Subtract the new number by the original number
526 - 809 = -283
-283 ÷ 809 = -0.34981458590852904
-0.34981458590852904 x 100 = -34.98%