-94.89% is the change from 509 to 26
Calculation steps:
[( 26 - 509 ) ÷ 509] x 100 = -94.89%
Formula
Percentage change = [(26 - 509) / 509] x 100
Subtract the new number by the original number
26 - 509 = -483
-483 ÷ 509 = -0.9489194499017681
-0.9489194499017681 x 100 = -94.89%