-77.84% is the change from 677 to 150
Calculation steps:
[( 150 - 677 ) ÷ 677] x 100 = -77.84%
Formula
Percentage change = [(150 - 677) / 677] x 100
Subtract the new number by the original number
150 - 677 = -527
-527 ÷ 677 = -0.7784342688330872
-0.7784342688330872 x 100 = -77.84%