-70.39% is the change from 912 to 270
Calculation steps:
[( 270 - 912 ) ÷ 912] x 100 = -70.39%
Formula
Percentage change = [(270 - 912) / 912] x 100
Subtract the new number by the original number
270 - 912 = -642
-642 ÷ 912 = -0.7039473684210527
-0.7039473684210527 x 100 = -70.39%