-67.15% is the change from 207 to 68
Calculation steps:
[( 68 - 207 ) ÷ 207] x 100 = -67.15%
Formula
Percentage change = [(68 - 207) / 207] x 100
Subtract the new number by the original number
68 - 207 = -139
-139 ÷ 207 = -0.6714975845410628
-0.6714975845410628 x 100 = -67.15%