-57.88% is the change from 501 to 211
Calculation steps:
[( 211 - 501 ) ÷ 501] x 100 = -57.88%
Formula
Percentage change = [(211 - 501) / 501] x 100
Subtract the new number by the original number
211 - 501 = -290
-290 ÷ 501 = -0.5788423153692615
-0.5788423153692615 x 100 = -57.88%