-54.8% is the change from 947 to 428
Calculation steps:
[( 428 - 947 ) ÷ 947] x 100 = -54.8%
Formula
Percentage change = [(428 - 947) / 947] x 100
Subtract the new number by the original number
428 - 947 = -519
-519 ÷ 947 = -0.5480464625131996
-0.5480464625131996 x 100 = -54.8%