-92.78% is the change from 693 to 50
Calculation steps:
[( 50 - 693 ) ÷ 693] x 100 = -92.78%
Formula
Percentage change = [(50 - 693) / 693] x 100
Subtract the new number by the original number
50 - 693 = -643
-643 ÷ 693 = -0.9278499278499278
-0.9278499278499278 x 100 = -92.78%