-55.89% is the change from 959 to 423
Calculation steps:
[( 423 - 959 ) ÷ 959] x 100 = -55.89%
Formula
Percentage change = [(423 - 959) / 959] x 100
Subtract the new number by the original number
423 - 959 = -536
-536 ÷ 959 = -0.5589155370177268
-0.5589155370177268 x 100 = -55.89%