-12.18% is the change from 977 to 858
Calculation steps:
[( 858 - 977 ) ÷ 977] x 100 = -12.18%
Formula
Percentage change = [(858 - 977) / 977] x 100
Subtract the new number by the original number
858 - 977 = -119
-119 ÷ 977 = -0.1218014329580348
-0.1218014329580348 x 100 = -12.18%