-80.07% is the change from 612 to 122
Calculation steps:
[( 122 - 612 ) ÷ 612] x 100 = -80.07%
Formula
Percentage change = [(122 - 612) / 612] x 100
Subtract the new number by the original number
122 - 612 = -490
-490 ÷ 612 = -0.8006535947712419
-0.8006535947712419 x 100 = -80.07%