-92.69% is the change from 698 to 51
Calculation steps:
[( 51 - 698 ) ÷ 698] x 100 = -92.69%
Formula
Percentage change = [(51 - 698) / 698] x 100
Subtract the new number by the original number
51 - 698 = -647
-647 ÷ 698 = -0.9269340974212035
-0.9269340974212035 x 100 = -92.69%