68.98% is the change from 590 to 997
Calculation steps:
[( 997 - 590 ) ÷ 590] x 100 = 68.98%
Formula
Percentage change = [(997 - 590) / 590] x 100
Subtract the new number by the original number
997 - 590 = 407
407 ÷ 590 = 0.6898305084745763
0.6898305084745763 x 100 = 68.98%