-79.34% is the change from 242 to 50
Calculation steps:
[( 50 - 242 ) ÷ 242] x 100 = -79.34%
Formula
Percentage change = [(50 - 242) / 242] x 100
Subtract the new number by the original number
50 - 242 = -192
-192 ÷ 242 = -0.7933884297520661
-0.7933884297520661 x 100 = -79.34%