-20.92% is the change from 980 to 775
Calculation steps:
[( 775 - 980 ) ÷ 980] x 100 = -20.92%
Formula
Percentage change = [(775 - 980) / 980] x 100
Subtract the new number by the original number
775 - 980 = -205
-205 ÷ 980 = -0.20918367346938777
-0.20918367346938777 x 100 = -20.92%