-89.67% is the change from 242 to 25
Calculation steps:
[( 25 - 242 ) ÷ 242] x 100 = -89.67%
Formula
Percentage change = [(25 - 242) / 242] x 100
Subtract the new number by the original number
25 - 242 = -217
-217 ÷ 242 = -0.8966942148760331
-0.8966942148760331 x 100 = -89.67%