1142.86% is the change from 49 to 609
Calculation steps:
[( 609 - 49 ) ÷ 49] x 100 = 1142.86%
Formula
Percentage change = [(609 - 49) / 49] x 100
Subtract the new number by the original number
609 - 49 = 560
560 ÷ 49 = 11.428571428571429
11.428571428571429 x 100 = 1142.86%