-81.21% is the change from 697 to 131
Calculation steps:
[( 131 - 697 ) ÷ 697] x 100 = -81.21%
Formula
Percentage change = [(131 - 697) / 697] x 100
Subtract the new number by the original number
131 - 697 = -566
-566 ÷ 697 = -0.812051649928264
-0.812051649928264 x 100 = -81.21%