-30.62% is the change from 898 to 623
Calculation steps:
[( 623 - 898 ) ÷ 898] x 100 = -30.62%
Formula
Percentage change = [(623 - 898) / 898] x 100
Subtract the new number by the original number
623 - 898 = -275
-275 ÷ 898 = -0.3062360801781737
-0.3062360801781737 x 100 = -30.62%