38.67% is the change from 649 to 900
Calculation steps:
[( 900 - 649 ) ÷ 649] x 100 = 38.67%
Formula
Percentage change = [(900 - 649) / 649] x 100
Subtract the new number by the original number
900 - 649 = 251
251 ÷ 649 = 0.386748844375963
0.386748844375963 x 100 = 38.67%