-56.09% is the change from 977 to 429
Calculation steps:
[( 429 - 977 ) ÷ 977] x 100 = -56.09%
Formula
Percentage change = [(429 - 977) / 977] x 100
Subtract the new number by the original number
429 - 977 = -548
-548 ÷ 977 = -0.5609007164790174
-0.5609007164790174 x 100 = -56.09%