-42.87% is the change from 961 to 549
Calculation steps:
[( 549 - 961 ) ÷ 961] x 100 = -42.87%
Formula
Percentage change = [(549 - 961) / 961] x 100
Subtract the new number by the original number
549 - 961 = -412
-412 ÷ 961 = -0.4287200832466181
-0.4287200832466181 x 100 = -42.87%