55.96% is the change from 554 to 864
Calculation steps:
[( 864 - 554 ) ÷ 554] x 100 = 55.96%
Formula
Percentage change = [(864 - 554) / 554] x 100
Subtract the new number by the original number
864 - 554 = 310
310 ÷ 554 = 0.5595667870036101
0.5595667870036101 x 100 = 55.96%