4.17% is the change from 959 to 999
Calculation steps:
[( 999 - 959 ) ÷ 959] x 100 = 4.17%
Formula
Percentage change = [(999 - 959) / 959] x 100
Subtract the new number by the original number
999 - 959 = 40
40 ÷ 959 = 0.04171011470281543
0.04171011470281543 x 100 = 4.17%