-89.47% is the change from 674 to 71
Calculation steps:
[( 71 - 674 ) ÷ 674] x 100 = -89.47%
Formula
Percentage change = [(71 - 674) / 674] x 100
Subtract the new number by the original number
71 - 674 = -603
-603 ÷ 674 = -0.8946587537091988
-0.8946587537091988 x 100 = -89.47%