-67.3% is the change from 685 to 224
Calculation steps:
[( 224 - 685 ) ÷ 685] x 100 = -67.3%
Formula
Percentage change = [(224 - 685) / 685] x 100
Subtract the new number by the original number
224 - 685 = -461
-461 ÷ 685 = -0.672992700729927
-0.672992700729927 x 100 = -67.3%