52.26% is the change from 597 to 909
Calculation steps:
[( 909 - 597 ) ÷ 597] x 100 = 52.26%
Formula
Percentage change = [(909 - 597) / 597] x 100
Subtract the new number by the original number
909 - 597 = 312
312 ÷ 597 = 0.5226130653266332
0.5226130653266332 x 100 = 52.26%