-48.39% is the change from 994 to 513
Calculation steps:
[( 513 - 994 ) ÷ 994] x 100 = -48.39%
Formula
Percentage change = [(513 - 994) / 994] x 100
Subtract the new number by the original number
513 - 994 = -481
-481 ÷ 994 = -0.48390342052313884
-0.48390342052313884 x 100 = -48.39%