-91.65% is the change from 599 to 50
Calculation steps:
[( 50 - 599 ) ÷ 599] x 100 = -91.65%
Formula
Percentage change = [(50 - 599) / 599] x 100
Subtract the new number by the original number
50 - 599 = -549
-549 ÷ 599 = -0.9165275459098498
-0.9165275459098498 x 100 = -91.65%