31% is the change from 742 to 972
Calculation steps:
[( 972 - 742 ) ÷ 742] x 100 = 31%
Formula
Percentage change = [(972 - 742) / 742] x 100
Subtract the new number by the original number
972 - 742 = 230
230 ÷ 742 = 0.30997304582210244
0.30997304582210244 x 100 = 31%