-87.48% is the change from 775 to 97
Calculation steps:
[( 97 - 775 ) ÷ 775] x 100 = -87.48%
Formula
Percentage change = [(97 - 775) / 775] x 100
Subtract the new number by the original number
97 - 775 = -678
-678 ÷ 775 = -0.8748387096774194
-0.8748387096774194 x 100 = -87.48%