-70.03% is the change from 901 to 270
Calculation steps:
[( 270 - 901 ) ÷ 901] x 100 = -70.03%
Formula
Percentage change = [(270 - 901) / 901] x 100
Subtract the new number by the original number
270 - 901 = -631
-631 ÷ 901 = -0.7003329633740288
-0.7003329633740288 x 100 = -70.03%