-22.11% is the change from 796 to 620
Calculation steps:
[( 620 - 796 ) ÷ 796] x 100 = -22.11%
Formula
Percentage change = [(620 - 796) / 796] x 100
Subtract the new number by the original number
620 - 796 = -176
-176 ÷ 796 = -0.22110552763819097
-0.22110552763819097 x 100 = -22.11%