1115.71% is the change from 70 to 851
Calculation steps:
[( 851 - 70 ) ÷ 70] x 100 = 1115.71%
Formula
Percentage change = [(851 - 70) / 70] x 100
Subtract the new number by the original number
851 - 70 = 781
781 ÷ 70 = 11.157142857142857
11.157142857142857 x 100 = 1115.71%