42.66% is the change from 647 to 923
Calculation steps:
[( 923 - 647 ) ÷ 647] x 100 = 42.66%
Formula
Percentage change = [(923 - 647) / 647] x 100
Subtract the new number by the original number
923 - 647 = 276
276 ÷ 647 = 0.4265842349304482
0.4265842349304482 x 100 = 42.66%