-78.51% is the change from 977 to 210
Calculation steps:
[( 210 - 977 ) ÷ 977] x 100 = -78.51%
Formula
Percentage change = [(210 - 977) / 977] x 100
Subtract the new number by the original number
210 - 977 = -767
-767 ÷ 977 = -0.7850562947799385
-0.7850562947799385 x 100 = -78.51%