28.64% is the change from 597 to 768
Calculation steps:
[( 768 - 597 ) ÷ 597] x 100 = 28.64%
Formula
Percentage change = [(768 - 597) / 597] x 100
Subtract the new number by the original number
768 - 597 = 171
171 ÷ 597 = 0.2864321608040201
0.2864321608040201 x 100 = 28.64%