-33.98% is the change from 921 to 608
Calculation steps:
[( 608 - 921 ) ÷ 921] x 100 = -33.98%
Formula
Percentage change = [(608 - 921) / 921] x 100
Subtract the new number by the original number
608 - 921 = -313
-313 ÷ 921 = -0.33984799131378934
-0.33984799131378934 x 100 = -33.98%