-30.55% is the change from 897 to 623
Calculation steps:
[( 623 - 897 ) ÷ 897] x 100 = -30.55%
Formula
Percentage change = [(623 - 897) / 897] x 100
Subtract the new number by the original number
623 - 897 = -274
-274 ÷ 897 = -0.3054626532887402
-0.3054626532887402 x 100 = -30.55%