48.99% is the change from 643 to 958
Calculation steps:
[( 958 - 643 ) ÷ 643] x 100 = 48.99%
Formula
Percentage change = [(958 - 643) / 643] x 100
Subtract the new number by the original number
958 - 643 = 315
315 ÷ 643 = 0.48989113530326595
0.48989113530326595 x 100 = 48.99%