-56.81% is the change from 977 to 422
Calculation steps:
[( 422 - 977 ) ÷ 977] x 100 = -56.81%
Formula
Percentage change = [(422 - 977) / 977] x 100
Subtract the new number by the original number
422 - 977 = -555
-555 ÷ 977 = -0.5680655066530195
-0.5680655066530195 x 100 = -56.81%