50.99% is the change from 604 to 912
Calculation steps:
[( 912 - 604 ) ÷ 604] x 100 = 50.99%
Formula
Percentage change = [(912 - 604) / 604] x 100
Subtract the new number by the original number
912 - 604 = 308
308 ÷ 604 = 0.5099337748344371
0.5099337748344371 x 100 = 50.99%