-67.62% is the change from 210 to 68
Calculation steps:
[( 68 - 210 ) ÷ 210] x 100 = -67.62%
Formula
Percentage change = [(68 - 210) / 210] x 100
Subtract the new number by the original number
68 - 210 = -142
-142 ÷ 210 = -0.6761904761904762
-0.6761904761904762 x 100 = -67.62%