47.46% is the change from 670 to 988
Calculation steps:
[( 988 - 670 ) ÷ 670] x 100 = 47.46%
Formula
Percentage change = [(988 - 670) / 670] x 100
Subtract the new number by the original number
988 - 670 = 318
318 ÷ 670 = 0.4746268656716418
0.4746268656716418 x 100 = 47.46%