-74.72% is the change from 977 to 247
Calculation steps:
[( 247 - 977 ) ÷ 977] x 100 = -74.72%
Formula
Percentage change = [(247 - 977) / 977] x 100
Subtract the new number by the original number
247 - 977 = -730
-730 ÷ 977 = -0.7471852610030706
-0.7471852610030706 x 100 = -74.72%