-33.59% is the change from 923 to 613
Calculation steps:
[( 613 - 923 ) ÷ 923] x 100 = -33.59%
Formula
Percentage change = [(613 - 923) / 923] x 100
Subtract the new number by the original number
613 - 923 = -310
-310 ÷ 923 = -0.3358613217768147
-0.3358613217768147 x 100 = -33.59%