-75.5% is the change from 698 to 171
Calculation steps:
[( 171 - 698 ) ÷ 698] x 100 = -75.5%
Formula
Percentage change = [(171 - 698) / 698] x 100
Subtract the new number by the original number
171 - 698 = -527
-527 ÷ 698 = -0.7550143266475645
-0.7550143266475645 x 100 = -75.5%