-55.68% is the change from 977 to 433
Calculation steps:
[( 433 - 977 ) ÷ 977] x 100 = -55.68%
Formula
Percentage change = [(433 - 977) / 977] x 100
Subtract the new number by the original number
433 - 977 = -544
-544 ÷ 977 = -0.5568065506653019
-0.5568065506653019 x 100 = -55.68%