-21.44% is the change from 611 to 480
Calculation steps:
[( 480 - 611 ) ÷ 611] x 100 = -21.44%
Formula
Percentage change = [(480 - 611) / 611] x 100
Subtract the new number by the original number
480 - 611 = -131
-131 ÷ 611 = -0.2144026186579378
-0.2144026186579378 x 100 = -21.44%