-34.44% is the change from 781 to 512
Calculation steps:
[( 512 - 781 ) ÷ 781] x 100 = -34.44%
Formula
Percentage change = [(512 - 781) / 781] x 100
Subtract the new number by the original number
512 - 781 = -269
-269 ÷ 781 = -0.3444302176696543
-0.3444302176696543 x 100 = -34.44%