-59.03% is the change from 659 to 270
Calculation steps:
[( 270 - 659 ) ÷ 659] x 100 = -59.03%
Formula
Percentage change = [(270 - 659) / 659] x 100
Subtract the new number by the original number
270 - 659 = -389
-389 ÷ 659 = -0.590288315629742
-0.590288315629742 x 100 = -59.03%