1602% is the change from 50 to 851
Calculation steps:
[( 851 - 50 ) ÷ 50] x 100 = 1602%
Formula
Percentage change = [(851 - 50) / 50] x 100
Subtract the new number by the original number
851 - 50 = 801
801 ÷ 50 = 16.02
16.02 x 100 = 1602%
Example