-86.9% is the change from 771 to 101
Calculation steps:
[( 101 - 771 ) ÷ 771] x 100 = -86.9%
Formula
Percentage change = [(101 - 771) / 771] x 100
Subtract the new number by the original number
101 - 771 = -670
-670 ÷ 771 = -0.8690012970168612
-0.8690012970168612 x 100 = -86.9%