-92.7% is the change from 699 to 51
Calculation steps:
[( 51 - 699 ) ÷ 699] x 100 = -92.7%
Formula
Percentage change = [(51 - 699) / 699] x 100
Subtract the new number by the original number
51 - 699 = -648
-648 ÷ 699 = -0.927038626609442
-0.927038626609442 x 100 = -92.7%