39.58% is the change from 710 to 991
Calculation steps:
[( 991 - 710 ) ÷ 710] x 100 = 39.58%
Formula
Percentage change = [(991 - 710) / 710] x 100
Subtract the new number by the original number
991 - 710 = 281
281 ÷ 710 = 0.3957746478873239
0.3957746478873239 x 100 = 39.58%