-31.22% is the change from 900 to 619
Calculation steps:
[( 619 - 900 ) ÷ 900] x 100 = -31.22%
Formula
Percentage change = [(619 - 900) / 900] x 100
Subtract the new number by the original number
619 - 900 = -281
-281 ÷ 900 = -0.31222222222222223
-0.31222222222222223 x 100 = -31.22%