-79.08% is the change from 612 to 128
Calculation steps:
[( 128 - 612 ) ÷ 612] x 100 = -79.08%
Formula
Percentage change = [(128 - 612) / 612] x 100
Subtract the new number by the original number
128 - 612 = -484
-484 ÷ 612 = -0.7908496732026143
-0.7908496732026143 x 100 = -79.08%