66.31% is the change from 555 to 923
Calculation steps:
[( 923 - 555 ) ÷ 555] x 100 = 66.31%
Formula
Percentage change = [(923 - 555) / 555] x 100
Subtract the new number by the original number
923 - 555 = 368
368 ÷ 555 = 0.6630630630630631
0.6630630630630631 x 100 = 66.31%