40.1% is the change from 591 to 828
Calculation steps:
[( 828 - 591 ) ÷ 591] x 100 = 40.1%
Formula
Percentage change = [(828 - 591) / 591] x 100
Subtract the new number by the original number
828 - 591 = 237
237 ÷ 591 = 0.4010152284263959
0.4010152284263959 x 100 = 40.1%