2150% is the change from 8 to 180
Calculation steps:
[( 180 - 8 ) ÷ 8] x 100 = 2150%
Formula
Percentage change = [(180 - 8) / 8] x 100
Subtract the new number by the original number
180 - 8 = 172
172 ÷ 8 = 21.5
21.5 x 100 = 2150%
Example