-85.13% is the change from 679 to 101
Calculation steps:
[( 101 - 679 ) ÷ 679] x 100 = -85.13%
Formula
Percentage change = [(101 - 679) / 679] x 100
Subtract the new number by the original number
101 - 679 = -578
-578 ÷ 679 = -0.8512518409425626
-0.8512518409425626 x 100 = -85.13%