47.78% is the change from 609 to 900
Calculation steps:
[( 900 - 609 ) ÷ 609] x 100 = 47.78%
Formula
Percentage change = [(900 - 609) / 609] x 100
Subtract the new number by the original number
900 - 609 = 291
291 ÷ 609 = 0.47783251231527096
0.47783251231527096 x 100 = 47.78%