-62.6% is the change from 917 to 343
Calculation steps:
[( 343 - 917 ) ÷ 917] x 100 = -62.6%
Formula
Percentage change = [(343 - 917) / 917] x 100
Subtract the new number by the original number
343 - 917 = -574
-574 ÷ 917 = -0.6259541984732825
-0.6259541984732825 x 100 = -62.6%