-42.04% is the change from 961 to 557
Calculation steps:
[( 557 - 961 ) ÷ 961] x 100 = -42.04%
Formula
Percentage change = [(557 - 961) / 961] x 100
Subtract the new number by the original number
557 - 961 = -404
-404 ÷ 961 = -0.42039542143600417
-0.42039542143600417 x 100 = -42.04%