-37.28% is the change from 971 to 609
Calculation steps:
[( 609 - 971 ) ÷ 971] x 100 = -37.28%
Formula
Percentage change = [(609 - 971) / 971] x 100
Subtract the new number by the original number
609 - 971 = -362
-362 ÷ 971 = -0.3728115345005149
-0.3728115345005149 x 100 = -37.28%