-35.15% is the change from 788 to 511
Calculation steps:
[( 511 - 788 ) ÷ 788] x 100 = -35.15%
Formula
Percentage change = [(511 - 788) / 788] x 100
Subtract the new number by the original number
511 - 788 = -277
-277 ÷ 788 = -0.35152284263959394
-0.35152284263959394 x 100 = -35.15%