-94.78% is the change from 977 to 51
Calculation steps:
[( 51 - 977 ) ÷ 977] x 100 = -94.78%
Formula
Percentage change = [(51 - 977) / 977] x 100
Subtract the new number by the original number
51 - 977 = -926
-926 ÷ 977 = -0.9477993858751279
-0.9477993858751279 x 100 = -94.78%