42.5% is the change from 647 to 922
Calculation steps:
[( 922 - 647 ) ÷ 647] x 100 = 42.5%
Formula
Percentage change = [(922 - 647) / 647] x 100
Subtract the new number by the original number
922 - 647 = 275
275 ÷ 647 = 0.4250386398763524
0.4250386398763524 x 100 = 42.5%