51.88% is the change from 426 to 647
Calculation steps:
[( 647 - 426 ) ÷ 426] x 100 = 51.88%
Formula
Percentage change = [(647 - 426) / 426] x 100
Subtract the new number by the original number
647 - 426 = 221
221 ÷ 426 = 0.5187793427230047
0.5187793427230047 x 100 = 51.88%