-31.72% is the change from 908 to 620
Calculation steps:
[( 620 - 908 ) ÷ 908] x 100 = -31.72%
Formula
Percentage change = [(620 - 908) / 908] x 100
Subtract the new number by the original number
620 - 908 = -288
-288 ÷ 908 = -0.31718061674008813
-0.31718061674008813 x 100 = -31.72%