53.31% is the change from 634 to 972
Calculation steps:
[( 972 - 634 ) ÷ 634] x 100 = 53.31%
Formula
Percentage change = [(972 - 634) / 634] x 100
Subtract the new number by the original number
972 - 634 = 338
338 ÷ 634 = 0.5331230283911672
0.5331230283911672 x 100 = 53.31%