-63.02% is the change from 557 to 206
Calculation steps:
[( 206 - 557 ) ÷ 557] x 100 = -63.02%
Formula
Percentage change = [(206 - 557) / 557] x 100
Subtract the new number by the original number
206 - 557 = -351
-351 ÷ 557 = -0.63016157989228
-0.63016157989228 x 100 = -63.02%