1270% is the change from 30 to 411
Calculation steps:
[( 411 - 30 ) ÷ 30] x 100 = 1270%
Formula
Percentage change = [(411 - 30) / 30] x 100
Subtract the new number by the original number
411 - 30 = 381
381 ÷ 30 = 12.7
12.7 x 100 = 1270%
Example