-92.06% is the change from 970 to 77
Calculation steps:
[( 77 - 970 ) ÷ 970] x 100 = -92.06%
Formula
Percentage change = [(77 - 970) / 970] x 100
Subtract the new number by the original number
77 - 970 = -893
-893 ÷ 970 = -0.9206185567010309
-0.9206185567010309 x 100 = -92.06%