-41.18% is the change from 935 to 550
Calculation steps:
[( 550 - 935 ) ÷ 935] x 100 = -41.18%
Formula
Percentage change = [(550 - 935) / 935] x 100
Subtract the new number by the original number
550 - 935 = -385
-385 ÷ 935 = -0.4117647058823529
-0.4117647058823529 x 100 = -41.18%