-79.15% is the change from 590 to 123
Calculation steps:
[( 123 - 590 ) ÷ 590] x 100 = -79.15%
Formula
Percentage change = [(123 - 590) / 590] x 100
Subtract the new number by the original number
123 - 590 = -467
-467 ÷ 590 = -0.7915254237288135
-0.7915254237288135 x 100 = -79.15%