-92.44% is the change from 675 to 51
Calculation steps:
[( 51 - 675 ) ÷ 675] x 100 = -92.44%
Formula
Percentage change = [(51 - 675) / 675] x 100
Subtract the new number by the original number
51 - 675 = -624
-624 ÷ 675 = -0.9244444444444444
-0.9244444444444444 x 100 = -92.44%