-70.13% is the change from 904 to 270
Calculation steps:
[( 270 - 904 ) ÷ 904] x 100 = -70.13%
Formula
Percentage change = [(270 - 904) / 904] x 100
Subtract the new number by the original number
270 - 904 = -634
-634 ÷ 904 = -0.7013274336283186
-0.7013274336283186 x 100 = -70.13%