-80.03% is the change from 611 to 122
Calculation steps:
[( 122 - 611 ) ÷ 611] x 100 = -80.03%
Formula
Percentage change = [(122 - 611) / 611] x 100
Subtract the new number by the original number
122 - 611 = -489
-489 ÷ 611 = -0.8003273322422259
-0.8003273322422259 x 100 = -80.03%