88.6% is the change from 456 to 860
Calculation steps:
[( 860 - 456 ) ÷ 456] x 100 = 88.6%
Formula
Percentage change = [(860 - 456) / 456] x 100
Subtract the new number by the original number
860 - 456 = 404
404 ÷ 456 = 0.8859649122807017
0.8859649122807017 x 100 = 88.6%