48.21% is the change from 670 to 993
Calculation steps:
[( 993 - 670 ) ÷ 670] x 100 = 48.21%
Formula
Percentage change = [(993 - 670) / 670] x 100
Subtract the new number by the original number
993 - 670 = 323
323 ÷ 670 = 0.48208955223880595
0.48208955223880595 x 100 = 48.21%