37.73% is the change from 721 to 993
Calculation steps:
[( 993 - 721 ) ÷ 721] x 100 = 37.73%
Formula
Percentage change = [(993 - 721) / 721] x 100
Subtract the new number by the original number
993 - 721 = 272
272 ÷ 721 = 0.37725381414701803
0.37725381414701803 x 100 = 37.73%