-34.53% is the change from 782 to 512
Calculation steps:
[( 512 - 782 ) ÷ 782] x 100 = -34.53%
Formula
Percentage change = [(512 - 782) / 782] x 100
Subtract the new number by the original number
512 - 782 = -270
-270 ÷ 782 = -0.3452685421994885
-0.3452685421994885 x 100 = -34.53%