48.4% is the change from 657 to 975
Calculation steps:
[( 975 - 657 ) ÷ 657] x 100 = 48.4%
Formula
Percentage change = [(975 - 657) / 657] x 100
Subtract the new number by the original number
975 - 657 = 318
318 ÷ 657 = 0.4840182648401826
0.4840182648401826 x 100 = 48.4%