-69.52% is the change from 689 to 210
Calculation steps:
[( 210 - 689 ) ÷ 689] x 100 = -69.52%
Formula
Percentage change = [(210 - 689) / 689] x 100
Subtract the new number by the original number
210 - 689 = -479
-479 ÷ 689 = -0.6952104499274311
-0.6952104499274311 x 100 = -69.52%