54.58% is the change from 590 to 912
Calculation steps:
[( 912 - 590 ) ÷ 590] x 100 = 54.58%
Formula
Percentage change = [(912 - 590) / 590] x 100
Subtract the new number by the original number
912 - 590 = 322
322 ÷ 590 = 0.5457627118644067
0.5457627118644067 x 100 = 54.58%