-69.03% is the change from 268 to 83
Calculation steps:
[( 83 - 268 ) ÷ 268] x 100 = -69.03%
Formula
Percentage change = [(83 - 268) / 268] x 100
Subtract the new number by the original number
83 - 268 = -185
-185 ÷ 268 = -0.6902985074626866
-0.6902985074626866 x 100 = -69.03%