-92.85% is the change from 699 to 50
Calculation steps:
[( 50 - 699 ) ÷ 699] x 100 = -92.85%
Formula
Percentage change = [(50 - 699) / 699] x 100
Subtract the new number by the original number
50 - 699 = -649
-649 ÷ 699 = -0.9284692417739628
-0.9284692417739628 x 100 = -92.85%