2.21% is the change from 951 to 972
Calculation steps:
[( 972 - 951 ) ÷ 951] x 100 = 2.21%
Formula
Percentage change = [(972 - 951) / 951] x 100
Subtract the new number by the original number
972 - 951 = 21
21 ÷ 951 = 0.022082018927444796
0.022082018927444796 x 100 = 2.21%