-92.65% is the change from 694 to 51
Calculation steps:
[( 51 - 694 ) ÷ 694] x 100 = -92.65%
Formula
Percentage change = [(51 - 694) / 694] x 100
Subtract the new number by the original number
51 - 694 = -643
-643 ÷ 694 = -0.9265129682997119
-0.9265129682997119 x 100 = -92.65%