-60.13% is the change from 306 to 122
Calculation steps:
[( 122 - 306 ) ÷ 306] x 100 = -60.13%
Formula
Percentage change = [(122 - 306) / 306] x 100
Subtract the new number by the original number
122 - 306 = -184
-184 ÷ 306 = -0.6013071895424836
-0.6013071895424836 x 100 = -60.13%