-28.35% is the change from 917 to 657
Calculation steps:
[( 657 - 917 ) ÷ 917] x 100 = -28.35%
Formula
Percentage change = [(657 - 917) / 917] x 100
Subtract the new number by the original number
657 - 917 = -260
-260 ÷ 917 = -0.2835332606324973
-0.2835332606324973 x 100 = -28.35%