-83.28% is the change from 299 to 50
Calculation steps:
[( 50 - 299 ) ÷ 299] x 100 = -83.28%
Formula
Percentage change = [(50 - 299) / 299] x 100
Subtract the new number by the original number
50 - 299 = -249
-249 ÷ 299 = -0.8327759197324415
-0.8327759197324415 x 100 = -83.28%