-61.97% is the change from 710 to 270
Calculation steps:
[( 270 - 710 ) ÷ 710] x 100 = -61.97%
Formula
Percentage change = [(270 - 710) / 710] x 100
Subtract the new number by the original number
270 - 710 = -440
-440 ÷ 710 = -0.6197183098591549
-0.6197183098591549 x 100 = -61.97%