-65.43% is the change from 917 to 317
Calculation steps:
[( 317 - 917 ) ÷ 917] x 100 = -65.43%
Formula
Percentage change = [(317 - 917) / 917] x 100
Subtract the new number by the original number
317 - 917 = -600
-600 ÷ 917 = -0.6543075245365322
-0.6543075245365322 x 100 = -65.43%