-21.61% is the change from 685 to 537
Calculation steps:
[( 537 - 685 ) ÷ 685] x 100 = -21.61%
Formula
Percentage change = [(537 - 685) / 685] x 100
Subtract the new number by the original number
537 - 685 = -148
-148 ÷ 685 = -0.21605839416058395
-0.21605839416058395 x 100 = -21.61%