64.99% is the change from 597 to 985
Calculation steps:
[( 985 - 597 ) ÷ 597] x 100 = 64.99%
Formula
Percentage change = [(985 - 597) / 597] x 100
Subtract the new number by the original number
985 - 597 = 388
388 ÷ 597 = 0.6499162479061976
0.6499162479061976 x 100 = 64.99%