-30.02% is the change from 886 to 620
Calculation steps:
[( 620 - 886 ) ÷ 886] x 100 = -30.02%
Formula
Percentage change = [(620 - 886) / 886] x 100
Subtract the new number by the original number
620 - 886 = -266
-266 ÷ 886 = -0.3002257336343115
-0.3002257336343115 x 100 = -30.02%