50.46% is the change from 648 to 975
Calculation steps:
[( 975 - 648 ) ÷ 648] x 100 = 50.46%
Formula
Percentage change = [(975 - 648) / 648] x 100
Subtract the new number by the original number
975 - 648 = 327
327 ÷ 648 = 0.5046296296296297
0.5046296296296297 x 100 = 50.46%