-34.35% is the change from 917 to 602
Calculation steps:
[( 602 - 917 ) ÷ 917] x 100 = -34.35%
Formula
Percentage change = [(602 - 917) / 917] x 100
Subtract the new number by the original number
602 - 917 = -315
-315 ÷ 917 = -0.3435114503816794
-0.3435114503816794 x 100 = -34.35%