-75.47% is the change from 697 to 171
Calculation steps:
[( 171 - 697 ) ÷ 697] x 100 = -75.47%
Formula
Percentage change = [(171 - 697) / 697] x 100
Subtract the new number by the original number
171 - 697 = -526
-526 ÷ 697 = -0.7546628407460545
-0.7546628407460545 x 100 = -75.47%