-60.73% is the change from 662 to 260
Calculation steps:
[( 260 - 662 ) ÷ 662] x 100 = -60.73%
Formula
Percentage change = [(260 - 662) / 662] x 100
Subtract the new number by the original number
260 - 662 = -402
-402 ÷ 662 = -0.6072507552870091
-0.6072507552870091 x 100 = -60.73%