8.54% is the change from 597 to 648
Calculation steps:
[( 648 - 597 ) ÷ 597] x 100 = 8.54%
Formula
Percentage change = [(648 - 597) / 597] x 100
Subtract the new number by the original number
648 - 597 = 51
51 ÷ 597 = 0.08542713567839195
0.08542713567839195 x 100 = 8.54%