61.47% is the change from 597 to 964
Calculation steps:
[( 964 - 597 ) ÷ 597] x 100 = 61.47%
Formula
Percentage change = [(964 - 597) / 597] x 100
Subtract the new number by the original number
964 - 597 = 367
367 ÷ 597 = 0.6147403685092128
0.6147403685092128 x 100 = 61.47%