-66.94% is the change from 242 to 80
Calculation steps:
[( 80 - 242 ) ÷ 242] x 100 = -66.94%
Formula
Percentage change = [(80 - 242) / 242] x 100
Subtract the new number by the original number
80 - 242 = -162
-162 ÷ 242 = -0.6694214876033058
-0.6694214876033058 x 100 = -66.94%