1800% is the change from 7 to 133
Calculation steps:
[( 133 - 7 ) ÷ 7] x 100 = 1800%
Formula
Percentage change = [(133 - 7) / 7] x 100
Subtract the new number by the original number
133 - 7 = 126
126 ÷ 7 = 18
18 x 100 = 1800%
Example