-73.5% is the change from 917 to 243
Calculation steps:
[( 243 - 917 ) ÷ 917] x 100 = -73.5%
Formula
Percentage change = [(243 - 917) / 917] x 100
Subtract the new number by the original number
243 - 917 = -674
-674 ÷ 917 = -0.7350054525627044
-0.7350054525627044 x 100 = -73.5%