-89.57% is the change from 700 to 73
Calculation steps:
[( 73 - 700 ) ÷ 700] x 100 = -89.57%
Formula
Percentage change = [(73 - 700) / 700] x 100
Subtract the new number by the original number
73 - 700 = -627
-627 ÷ 700 = -0.8957142857142857
-0.8957142857142857 x 100 = -89.57%