-33.61% is the change from 839 to 557
Calculation steps:
[( 557 - 839 ) ÷ 839] x 100 = -33.61%
Formula
Percentage change = [(557 - 839) / 839] x 100
Subtract the new number by the original number
557 - 839 = -282
-282 ÷ 839 = -0.3361144219308701
-0.3361144219308701 x 100 = -33.61%