-57.96% is the change from 490 to 206
Calculation steps:
[( 206 - 490 ) ÷ 490] x 100 = -57.96%
Formula
Percentage change = [(206 - 490) / 490] x 100
Subtract the new number by the original number
206 - 490 = -284
-284 ÷ 490 = -0.5795918367346938
-0.5795918367346938 x 100 = -57.96%