-37.82% is the change from 825 to 513
Calculation steps:
[( 513 - 825 ) ÷ 825] x 100 = -37.82%
Formula
Percentage change = [(513 - 825) / 825] x 100
Subtract the new number by the original number
513 - 825 = -312
-312 ÷ 825 = -0.3781818181818182
-0.3781818181818182 x 100 = -37.82%