-68.97% is the change from 680 to 211
Calculation steps:
[( 211 - 680 ) ÷ 680] x 100 = -68.97%
Formula
Percentage change = [(211 - 680) / 680] x 100
Subtract the new number by the original number
211 - 680 = -469
-469 ÷ 680 = -0.6897058823529412
-0.6897058823529412 x 100 = -68.97%