-31.2% is the change from 891 to 613
Calculation steps:
[( 613 - 891 ) ÷ 891] x 100 = -31.2%
Formula
Percentage change = [(613 - 891) / 891] x 100
Subtract the new number by the original number
613 - 891 = -278
-278 ÷ 891 = -0.31200897867564537
-0.31200897867564537 x 100 = -31.2%