55.86% is the change from 555 to 865
Calculation steps:
[( 865 - 555 ) ÷ 555] x 100 = 55.86%
Formula
Percentage change = [(865 - 555) / 555] x 100
Subtract the new number by the original number
865 - 555 = 310
310 ÷ 555 = 0.5585585585585585
0.5585585585585585 x 100 = 55.86%