1073.97% is the change from 73 to 857
Calculation steps:
[( 857 - 73 ) ÷ 73] x 100 = 1073.97%
Formula
Percentage change = [(857 - 73) / 73] x 100
Subtract the new number by the original number
857 - 73 = 784
784 ÷ 73 = 10.73972602739726
10.73972602739726 x 100 = 1073.97%