49.02% is the change from 663 to 988
Calculation steps:
[( 988 - 663 ) ÷ 663] x 100 = 49.02%
Formula
Percentage change = [(988 - 663) / 663] x 100
Subtract the new number by the original number
988 - 663 = 325
325 ÷ 663 = 0.49019607843137253
0.49019607843137253 x 100 = 49.02%