-34.91% is the change from 782 to 509
Calculation steps:
[( 509 - 782 ) ÷ 782] x 100 = -34.91%
Formula
Percentage change = [(509 - 782) / 782] x 100
Subtract the new number by the original number
509 - 782 = -273
-273 ÷ 782 = -0.3491048593350384
-0.3491048593350384 x 100 = -34.91%