85000% is the change from 1 to 851
Calculation steps:
[( 851 - 1 ) ÷ 1] x 100 = 85000%
Formula
Percentage change = [(851 - 1) / 1] x 100
Subtract the new number by the original number
851 - 1 = 850
850 ÷ 1 = 850
850 x 100 = 85000%
Example