-61.71% is the change from 538 to 206
Calculation steps:
[( 206 - 538 ) ÷ 538] x 100 = -61.71%
Formula
Percentage change = [(206 - 538) / 538] x 100
Subtract the new number by the original number
206 - 538 = -332
-332 ÷ 538 = -0.6171003717472119
-0.6171003717472119 x 100 = -61.71%