37.45% is the change from 721 to 991
Calculation steps:
[( 991 - 721 ) ÷ 721] x 100 = 37.45%
Formula
Percentage change = [(991 - 721) / 721] x 100
Subtract the new number by the original number
991 - 721 = 270
270 ÷ 721 = 0.37447988904299584
0.37447988904299584 x 100 = 37.45%