64.5% is the change from 555 to 913
Calculation steps:
[( 913 - 555 ) ÷ 555] x 100 = 64.5%
Formula
Percentage change = [(913 - 555) / 555] x 100
Subtract the new number by the original number
913 - 555 = 358
358 ÷ 555 = 0.645045045045045
0.645045045045045 x 100 = 64.5%