-72.77% is the change from 977 to 266
Calculation steps:
[( 266 - 977 ) ÷ 977] x 100 = -72.77%
Formula
Percentage change = [(266 - 977) / 977] x 100
Subtract the new number by the original number
266 - 977 = -711
-711 ÷ 977 = -0.7277379733879222
-0.7277379733879222 x 100 = -72.77%