-27.1% is the change from 701 to 511
Calculation steps:
[( 511 - 701 ) ÷ 701] x 100 = -27.1%
Formula
Percentage change = [(511 - 701) / 701] x 100
Subtract the new number by the original number
511 - 701 = -190
-190 ÷ 701 = -0.2710413694721826
-0.2710413694721826 x 100 = -27.1%