1614.29% is the change from 49 to 840
Calculation steps:
[( 840 - 49 ) ÷ 49] x 100 = 1614.29%
Formula
Percentage change = [(840 - 49) / 49] x 100
Subtract the new number by the original number
840 - 49 = 791
791 ÷ 49 = 16.142857142857142
16.142857142857142 x 100 = 1614.29%