64.58% is the change from 590 to 971
Calculation steps:
[( 971 - 590 ) ÷ 590] x 100 = 64.58%
Formula
Percentage change = [(971 - 590) / 590] x 100
Subtract the new number by the original number
971 - 590 = 381
381 ÷ 590 = 0.6457627118644068
0.6457627118644068 x 100 = 64.58%