-70.87% is the change from 927 to 270
Calculation steps:
[( 270 - 927 ) ÷ 927] x 100 = -70.87%
Formula
Percentage change = [(270 - 927) / 927] x 100
Subtract the new number by the original number
270 - 927 = -657
-657 ÷ 927 = -0.7087378640776699
-0.7087378640776699 x 100 = -70.87%