-67.99% is the change from 656 to 210
Calculation steps:
[( 210 - 656 ) ÷ 656] x 100 = -67.99%
Formula
Percentage change = [(210 - 656) / 656] x 100
Subtract the new number by the original number
210 - 656 = -446
-446 ÷ 656 = -0.6798780487804879
-0.6798780487804879 x 100 = -67.99%