-66.94% is the change from 977 to 323
Calculation steps:
[( 323 - 977 ) ÷ 977] x 100 = -66.94%
Formula
Percentage change = [(323 - 977) / 977] x 100
Subtract the new number by the original number
323 - 977 = -654
-654 ÷ 977 = -0.6693961105424769
-0.6693961105424769 x 100 = -66.94%