76.19% is the change from 21 to 37
Calculation steps:
[( 37 - 21 ) ÷ 21] x 100 = 76.19%
Formula
Percentage change = [(37 - 21) / 21] x 100
Subtract the new number by the original number
37 - 21 = 16
16 ÷ 21 = 0.7619047619047619
0.7619047619047619 x 100 = 76.19%