-55.75% is the change from 956 to 423
Calculation steps:
[( 423 - 956 ) ÷ 956] x 100 = -55.75%
Formula
Percentage change = [(423 - 956) / 956] x 100
Subtract the new number by the original number
423 - 956 = -533
-533 ÷ 956 = -0.5575313807531381
-0.5575313807531381 x 100 = -55.75%