-20.68% is the change from 977 to 775
Calculation steps:
[( 775 - 977 ) ÷ 977] x 100 = -20.68%
Formula
Percentage change = [(775 - 977) / 977] x 100
Subtract the new number by the original number
775 - 977 = -202
-202 ÷ 977 = -0.2067553735926305
-0.2067553735926305 x 100 = -20.68%