80.36% is the change from 331 to 597
Calculation steps:
[( 597 - 331 ) ÷ 331] x 100 = 80.36%
Formula
Percentage change = [(597 - 331) / 331] x 100
Subtract the new number by the original number
597 - 331 = 266
266 ÷ 331 = 0.8036253776435045
0.8036253776435045 x 100 = 80.36%