-41.26% is the change from 509 to 299
Calculation steps:
[( 299 - 509 ) ÷ 509] x 100 = -41.26%
Formula
Percentage change = [(299 - 509) / 509] x 100
Subtract the new number by the original number
299 - 509 = -210
-210 ÷ 509 = -0.412573673870334
-0.412573673870334 x 100 = -41.26%