-10.53% is the change from 693 to 620
Calculation steps:
[( 620 - 693 ) ÷ 693] x 100 = -10.53%
Formula
Percentage change = [(620 - 693) / 693] x 100
Subtract the new number by the original number
620 - 693 = -73
-73 ÷ 693 = -0.10533910533910534
-0.10533910533910534 x 100 = -10.53%