1273.77% is the change from 61 to 838
Calculation steps:
[( 838 - 61 ) ÷ 61] x 100 = 1273.77%
Formula
Percentage change = [(838 - 61) / 61] x 100
Subtract the new number by the original number
838 - 61 = 777
777 ÷ 61 = 12.737704918032787
12.737704918032787 x 100 = 1273.77%