49.03% is the change from 671 to 1000
Calculation steps:
[( 1000 - 671 ) ÷ 671] x 100 = 49.03%
Formula
Percentage change = [(1000 - 671) / 671] x 100
Subtract the new number by the original number
1000 - 671 = 329
329 ÷ 671 = 0.4903129657228018
0.4903129657228018 x 100 = 49.03%