54.31% is the change from 591 to 912
Calculation steps:
[( 912 - 591 ) ÷ 591] x 100 = 54.31%
Formula
Percentage change = [(912 - 591) / 591] x 100
Subtract the new number by the original number
912 - 591 = 321
321 ÷ 591 = 0.5431472081218274
0.5431472081218274 x 100 = 54.31%