45.2% is the change from 688 to 999
Calculation steps:
[( 999 - 688 ) ÷ 688] x 100 = 45.2%
Formula
Percentage change = [(999 - 688) / 688] x 100
Subtract the new number by the original number
999 - 688 = 311
311 ÷ 688 = 0.45203488372093026
0.45203488372093026 x 100 = 45.2%