-73.41% is the change from 910 to 242
Calculation steps:
[( 242 - 910 ) ÷ 910] x 100 = -73.41%
Formula
Percentage change = [(242 - 910) / 910] x 100
Subtract the new number by the original number
242 - 910 = -668
-668 ÷ 910 = -0.734065934065934
-0.734065934065934 x 100 = -73.41%