9.72% is the change from 597 to 655
Calculation steps:
[( 655 - 597 ) ÷ 597] x 100 = 9.72%
Formula
Percentage change = [(655 - 597) / 597] x 100
Subtract the new number by the original number
655 - 597 = 58
58 ÷ 597 = 0.09715242881072027
0.09715242881072027 x 100 = 9.72%