-38.5% is the change from 839 to 516
Calculation steps:
[( 516 - 839 ) ÷ 839] x 100 = -38.5%
Formula
Percentage change = [(516 - 839) / 839] x 100
Subtract the new number by the original number
516 - 839 = -323
-323 ÷ 839 = -0.38498212157330153
-0.38498212157330153 x 100 = -38.5%