-23.83% is the change from 814 to 620
Calculation steps:
[( 620 - 814 ) ÷ 814] x 100 = -23.83%
Formula
Percentage change = [(620 - 814) / 814] x 100
Subtract the new number by the original number
620 - 814 = -194
-194 ÷ 814 = -0.23832923832923833
-0.23832923832923833 x 100 = -23.83%