-34.87% is the change from 783 to 510
Calculation steps:
[( 510 - 783 ) ÷ 783] x 100 = -34.87%
Formula
Percentage change = [(510 - 783) / 783] x 100
Subtract the new number by the original number
510 - 783 = -273
-273 ÷ 783 = -0.3486590038314176
-0.3486590038314176 x 100 = -34.87%