214.29% is the change from 7 to 22
Calculation steps:
[( 22 - 7 ) ÷ 7] x 100 = 214.29%
Formula
Percentage change = [(22 - 7) / 7] x 100
Subtract the new number by the original number
22 - 7 = 15
15 ÷ 7 = 2.142857142857143
2.142857142857143 x 100 = 214.29%