1620% is the change from 50 to 860
Calculation steps:
[( 860 - 50 ) ÷ 50] x 100 = 1620%
Formula
Percentage change = [(860 - 50) / 50] x 100
Subtract the new number by the original number
860 - 50 = 810
810 ÷ 50 = 16.2
16.2 x 100 = 1620%
Example