-93.54% is the change from 790 to 51
Calculation steps:
[( 51 - 790 ) ÷ 790] x 100 = -93.54%
Formula
Percentage change = [(51 - 790) / 790] x 100
Subtract the new number by the original number
51 - 790 = -739
-739 ÷ 790 = -0.9354430379746835
-0.9354430379746835 x 100 = -93.54%