-81.37% is the change from 655 to 122
Calculation steps:
[( 122 - 655 ) ÷ 655] x 100 = -81.37%
Formula
Percentage change = [(122 - 655) / 655] x 100
Subtract the new number by the original number
122 - 655 = -533
-533 ÷ 655 = -0.8137404580152672
-0.8137404580152672 x 100 = -81.37%