-92.38% is the change from 656 to 50
Calculation steps:
[( 50 - 656 ) ÷ 656] x 100 = -92.38%
Formula
Percentage change = [(50 - 656) / 656] x 100
Subtract the new number by the original number
50 - 656 = -606
-606 ÷ 656 = -0.9237804878048781
-0.9237804878048781 x 100 = -92.38%