2114.29% is the change from 7 to 155
Calculation steps:
[( 155 - 7 ) ÷ 7] x 100 = 2114.29%
Formula
Percentage change = [(155 - 7) / 7] x 100
Subtract the new number by the original number
155 - 7 = 148
148 ÷ 7 = 21.142857142857142
21.142857142857142 x 100 = 2114.29%