-50.16% is the change from 957 to 477
Calculation steps:
[( 477 - 957 ) ÷ 957] x 100 = -50.16%
Formula
Percentage change = [(477 - 957) / 957] x 100
Subtract the new number by the original number
477 - 957 = -480
-480 ÷ 957 = -0.5015673981191222
-0.5015673981191222 x 100 = -50.16%