62.65% is the change from 597 to 971
Calculation steps:
[( 971 - 597 ) ÷ 597] x 100 = 62.65%
Formula
Percentage change = [(971 - 597) / 597] x 100
Subtract the new number by the original number
971 - 597 = 374
374 ÷ 597 = 0.626465661641541
0.626465661641541 x 100 = 62.65%