208.75% is the change from 320 to 988
Calculation steps:
[( 988 - 320 ) ÷ 320] x 100 = 208.75%
Formula
Percentage change = [(988 - 320) / 320] x 100
Subtract the new number by the original number
988 - 320 = 668
668 ÷ 320 = 2.0875
2.0875 x 100 = 208.75%