46.27% is the change from 670 to 980
Calculation steps:
[( 980 - 670 ) ÷ 670] x 100 = 46.27%
Formula
Percentage change = [(980 - 670) / 670] x 100
Subtract the new number by the original number
980 - 670 = 310
310 ÷ 670 = 0.4626865671641791
0.4626865671641791 x 100 = 46.27%