-70.07% is the change from 912 to 273
Calculation steps:
[( 273 - 912 ) ÷ 912] x 100 = -70.07%
Formula
Percentage change = [(273 - 912) / 912] x 100
Subtract the new number by the original number
273 - 912 = -639
-639 ÷ 912 = -0.7006578947368421
-0.7006578947368421 x 100 = -70.07%