-92.32% is the change from 977 to 75
Calculation steps:
[( 75 - 977 ) ÷ 977] x 100 = -92.32%
Formula
Percentage change = [(75 - 977) / 977] x 100
Subtract the new number by the original number
75 - 977 = -902
-902 ÷ 977 = -0.9232343909928352
-0.9232343909928352 x 100 = -92.32%