-78.52% is the change from 973 to 209
Calculation steps:
[( 209 - 973 ) ÷ 973] x 100 = -78.52%
Formula
Percentage change = [(209 - 973) / 973] x 100
Subtract the new number by the original number
209 - 973 = -764
-764 ÷ 973 = -0.7852004110996916
-0.7852004110996916 x 100 = -78.52%