-34% is the change from 900 to 594
Calculation steps:
[( 594 - 900 ) ÷ 900] x 100 = -34%
Formula
Percentage change = [(594 - 900) / 900] x 100
Subtract the new number by the original number
594 - 900 = -306
-306 ÷ 900 = -0.34
-0.34 x 100 = -34%
Example