-92.77% is the change from 705 to 51
Calculation steps:
[( 51 - 705 ) ÷ 705] x 100 = -92.77%
Formula
Percentage change = [(51 - 705) / 705] x 100
Subtract the new number by the original number
51 - 705 = -654
-654 ÷ 705 = -0.9276595744680851
-0.9276595744680851 x 100 = -92.77%