-15.18% is the change from 731 to 620
Calculation steps:
[( 620 - 731 ) ÷ 731] x 100 = -15.18%
Formula
Percentage change = [(620 - 731) / 731] x 100
Subtract the new number by the original number
620 - 731 = -111
-111 ÷ 731 = -0.1518467852257182
-0.1518467852257182 x 100 = -15.18%