-75.89% is the change from 506 to 122
Calculation steps:
[( 122 - 506 ) ÷ 506] x 100 = -75.89%
Formula
Percentage change = [(122 - 506) / 506] x 100
Subtract the new number by the original number
122 - 506 = -384
-384 ÷ 506 = -0.758893280632411
-0.758893280632411 x 100 = -75.89%