-50.61% is the change from 492 to 243
Calculation steps:
[( 243 - 492 ) ÷ 492] x 100 = -50.61%
Formula
Percentage change = [(243 - 492) / 492] x 100
Subtract the new number by the original number
243 - 492 = -249
-249 ÷ 492 = -0.5060975609756098
-0.5060975609756098 x 100 = -50.61%