-60.72% is the change from 863 to 339
Calculation steps:
[( 339 - 863 ) ÷ 863] x 100 = -60.72%
Formula
Percentage change = [(339 - 863) / 863] x 100
Subtract the new number by the original number
339 - 863 = -524
-524 ÷ 863 = -0.6071842410196987
-0.6071842410196987 x 100 = -60.72%