-92.43% is the change from 674 to 51
Calculation steps:
[( 51 - 674 ) ÷ 674] x 100 = -92.43%
Formula
Percentage change = [(51 - 674) / 674] x 100
Subtract the new number by the original number
51 - 674 = -623
-623 ÷ 674 = -0.9243323442136498
-0.9243323442136498 x 100 = -92.43%