48.35% is the change from 666 to 988
Calculation steps:
[( 988 - 666 ) ÷ 666] x 100 = 48.35%
Formula
Percentage change = [(988 - 666) / 666] x 100
Subtract the new number by the original number
988 - 666 = 322
322 ÷ 666 = 0.48348348348348347
0.48348348348348347 x 100 = 48.35%