-23.47% is the change from 686 to 525
Calculation steps:
[( 525 - 686 ) ÷ 686] x 100 = -23.47%
Formula
Percentage change = [(525 - 686) / 686] x 100
Subtract the new number by the original number
525 - 686 = -161
-161 ÷ 686 = -0.23469387755102042
-0.23469387755102042 x 100 = -23.47%