1002.56% is the change from 39 to 430
Calculation steps:
[( 430 - 39 ) ÷ 39] x 100 = 1002.56%
Formula
Percentage change = [(430 - 39) / 39] x 100
Subtract the new number by the original number
430 - 39 = 391
391 ÷ 39 = 10.025641025641026
10.025641025641026 x 100 = 1002.56%