-22.92% is the change from 685 to 528
Calculation steps:
[( 528 - 685 ) ÷ 685] x 100 = -22.92%
Formula
Percentage change = [(528 - 685) / 685] x 100
Subtract the new number by the original number
528 - 685 = -157
-157 ÷ 685 = -0.2291970802919708
-0.2291970802919708 x 100 = -22.92%