67.4% is the change from 592 to 991
Calculation steps:
[( 991 - 592 ) ÷ 592] x 100 = 67.4%
Formula
Percentage change = [(991 - 592) / 592] x 100
Subtract the new number by the original number
991 - 592 = 399
399 ÷ 592 = 0.6739864864864865
0.6739864864864865 x 100 = 67.4%