-75.98% is the change from 508 to 122
Calculation steps:
[( 122 - 508 ) ÷ 508] x 100 = -75.98%
Formula
Percentage change = [(122 - 508) / 508] x 100
Subtract the new number by the original number
122 - 508 = -386
-386 ÷ 508 = -0.7598425196850394
-0.7598425196850394 x 100 = -75.98%