-39.29% is the change from 845 to 513
Calculation steps:
[( 513 - 845 ) ÷ 845] x 100 = -39.29%
Formula
Percentage change = [(513 - 845) / 845] x 100
Subtract the new number by the original number
513 - 845 = -332
-332 ÷ 845 = -0.39289940828402364
-0.39289940828402364 x 100 = -39.29%