-35.18% is the change from 921 to 597
Calculation steps:
[( 597 - 921 ) ÷ 921] x 100 = -35.18%
Formula
Percentage change = [(597 - 921) / 921] x 100
Subtract the new number by the original number
597 - 921 = -324
-324 ÷ 921 = -0.3517915309446254
-0.3517915309446254 x 100 = -35.18%