50.75% is the change from 597 to 900
Calculation steps:
[( 900 - 597 ) ÷ 597] x 100 = 50.75%
Formula
Percentage change = [(900 - 597) / 597] x 100
Subtract the new number by the original number
900 - 597 = 303
303 ÷ 597 = 0.507537688442211
0.507537688442211 x 100 = 50.75%