-78.1% is the change from 242 to 53
Calculation steps:
[( 53 - 242 ) ÷ 242] x 100 = -78.1%
Formula
Percentage change = [(53 - 242) / 242] x 100
Subtract the new number by the original number
53 - 242 = -189
-189 ÷ 242 = -0.78099173553719
-0.78099173553719 x 100 = -78.1%