-32.99% is the change from 776 to 520
Calculation steps:
[( 520 - 776 ) ÷ 776] x 100 = -32.99%
Formula
Percentage change = [(520 - 776) / 776] x 100
Subtract the new number by the original number
520 - 776 = -256
-256 ÷ 776 = -0.32989690721649484
-0.32989690721649484 x 100 = -32.99%