-47.94% is the change from 509 to 265
Calculation steps:
[( 265 - 509 ) ÷ 509] x 100 = -47.94%
Formula
Percentage change = [(265 - 509) / 509] x 100
Subtract the new number by the original number
265 - 509 = -244
-244 ÷ 509 = -0.4793713163064833
-0.4793713163064833 x 100 = -47.94%