-69.07% is the change from 679 to 210
Calculation steps:
[( 210 - 679 ) ÷ 679] x 100 = -69.07%
Formula
Percentage change = [(210 - 679) / 679] x 100
Subtract the new number by the original number
210 - 679 = -469
-469 ÷ 679 = -0.6907216494845361
-0.6907216494845361 x 100 = -69.07%