-36.43% is the change from 807 to 513
Calculation steps:
[( 513 - 807 ) ÷ 807] x 100 = -36.43%
Formula
Percentage change = [(513 - 807) / 807] x 100
Subtract the new number by the original number
513 - 807 = -294
-294 ÷ 807 = -0.3643122676579926
-0.3643122676579926 x 100 = -36.43%