40.74% is the change from 648 to 912
Calculation steps:
[( 912 - 648 ) ÷ 648] x 100 = 40.74%
Formula
Percentage change = [(912 - 648) / 648] x 100
Subtract the new number by the original number
912 - 648 = 264
264 ÷ 648 = 0.4074074074074074
0.4074074074074074 x 100 = 40.74%