-79.67% is the change from 492 to 100
Calculation steps:
[( 100 - 492 ) ÷ 492] x 100 = -79.67%
Formula
Percentage change = [(100 - 492) / 492] x 100
Subtract the new number by the original number
100 - 492 = -392
-392 ÷ 492 = -0.7967479674796748
-0.7967479674796748 x 100 = -79.67%