-68.6% is the change from 242 to 76
Calculation steps:
[( 76 - 242 ) ÷ 242] x 100 = -68.6%
Formula
Percentage change = [(76 - 242) / 242] x 100
Subtract the new number by the original number
76 - 242 = -166
-166 ÷ 242 = -0.6859504132231405
-0.6859504132231405 x 100 = -68.6%