7000% is the change from 2 to 142
Calculation steps:
[( 142 - 2 ) ÷ 2] x 100 = 7000%
Formula
Percentage change = [(142 - 2) / 2] x 100
Subtract the new number by the original number
142 - 2 = 140
140 ÷ 2 = 70
70 x 100 = 7000%
Example