423.56% is the change from 191 to 1000
Calculation steps:
[( 1000 - 191 ) ÷ 191] x 100 = 423.56%
Formula
Percentage change = [(1000 - 191) / 191] x 100
Subtract the new number by the original number
1000 - 191 = 809
809 ÷ 191 = 4.2356020942408374
4.2356020942408374 x 100 = 423.56%