-55.9% is the change from 957 to 422
Calculation steps:
[( 422 - 957 ) ÷ 957] x 100 = -55.9%
Formula
Percentage change = [(422 - 957) / 957] x 100
Subtract the new number by the original number
422 - 957 = -535
-535 ÷ 957 = -0.5590386624869383
-0.5590386624869383 x 100 = -55.9%