48.3% is the change from 646 to 958
Calculation steps:
[( 958 - 646 ) ÷ 646] x 100 = 48.3%
Formula
Percentage change = [(958 - 646) / 646] x 100
Subtract the new number by the original number
958 - 646 = 312
312 ÷ 646 = 0.48297213622291024
0.48297213622291024 x 100 = 48.3%