-80.67% is the change from 771 to 149
Calculation steps:
[( 149 - 771 ) ÷ 771] x 100 = -80.67%
Formula
Percentage change = [(149 - 771) / 771] x 100
Subtract the new number by the original number
149 - 771 = -622
-622 ÷ 771 = -0.8067444876783398
-0.8067444876783398 x 100 = -80.67%