36.89% is the change from 591 to 809
Calculation steps:
[( 809 - 591 ) ÷ 591] x 100 = 36.89%
Formula
Percentage change = [(809 - 591) / 591] x 100
Subtract the new number by the original number
809 - 591 = 218
218 ÷ 591 = 0.3688663282571912
0.3688663282571912 x 100 = 36.89%