-71.22% is the change from 938 to 270
Calculation steps:
[( 270 - 938 ) ÷ 938] x 100 = -71.22%
Formula
Percentage change = [(270 - 938) / 938] x 100
Subtract the new number by the original number
270 - 938 = -668
-668 ÷ 938 = -0.7121535181236673
-0.7121535181236673 x 100 = -71.22%