1261.4% is the change from 57 to 776
Calculation steps:
[( 776 - 57 ) ÷ 57] x 100 = 1261.4%
Formula
Percentage change = [(776 - 57) / 57] x 100
Subtract the new number by the original number
776 - 57 = 719
719 ÷ 57 = 12.614035087719298
12.614035087719298 x 100 = 1261.4%