-36.5% is the change from 611 to 388
Calculation steps:
[( 388 - 611 ) ÷ 611] x 100 = -36.5%
Formula
Percentage change = [(388 - 611) / 611] x 100
Subtract the new number by the original number
388 - 611 = -223
-223 ÷ 611 = -0.3649754500818331
-0.3649754500818331 x 100 = -36.5%