-97.43% is the change from 700 to 18
Calculation steps:
[( 18 - 700 ) ÷ 700] x 100 = -97.43%
Formula
Percentage change = [(18 - 700) / 700] x 100
Subtract the new number by the original number
18 - 700 = -682
-682 ÷ 700 = -0.9742857142857143
-0.9742857142857143 x 100 = -97.43%