-97.63% is the change from 674 to 16
Calculation steps:
[( 16 - 674 ) ÷ 674] x 100 = -97.63%
Formula
Percentage change = [(16 - 674) / 674] x 100
Subtract the new number by the original number
16 - 674 = -658
-658 ÷ 674 = -0.9762611275964391
-0.9762611275964391 x 100 = -97.63%