41.79% is the change from 591 to 838
Calculation steps:
[( 838 - 591 ) ÷ 591] x 100 = 41.79%
Formula
Percentage change = [(838 - 591) / 591] x 100
Subtract the new number by the original number
838 - 591 = 247
247 ÷ 591 = 0.4179357021996616
0.4179357021996616 x 100 = 41.79%