-89.61% is the change from 674 to 70
Calculation steps:
[( 70 - 674 ) ÷ 674] x 100 = -89.61%
Formula
Percentage change = [(70 - 674) / 674] x 100
Subtract the new number by the original number
70 - 674 = -604
-604 ÷ 674 = -0.8961424332344213
-0.8961424332344213 x 100 = -89.61%