38.89% is the change from 648 to 900
Calculation steps:
[( 900 - 648 ) ÷ 648] x 100 = 38.89%
Formula
Percentage change = [(900 - 648) / 648] x 100
Subtract the new number by the original number
900 - 648 = 252
252 ÷ 648 = 0.3888888888888889
0.3888888888888889 x 100 = 38.89%