-28.07% is the change from 862 to 620
Calculation steps:
[( 620 - 862 ) ÷ 862] x 100 = -28.07%
Formula
Percentage change = [(620 - 862) / 862] x 100
Subtract the new number by the original number
620 - 862 = -242
-242 ÷ 862 = -0.28074245939675174
-0.28074245939675174 x 100 = -28.07%