-59.37% is the change from 977 to 397
Calculation steps:
[( 397 - 977 ) ÷ 977] x 100 = -59.37%
Formula
Percentage change = [(397 - 977) / 977] x 100
Subtract the new number by the original number
397 - 977 = -580
-580 ÷ 977 = -0.593654042988741
-0.593654042988741 x 100 = -59.37%