196.76% is the change from 309 to 917
Calculation steps:
[( 917 - 309 ) ÷ 309] x 100 = 196.76%
Formula
Percentage change = [(917 - 309) / 309] x 100
Subtract the new number by the original number
917 - 309 = 608
608 ÷ 309 = 1.9676375404530744
1.9676375404530744 x 100 = 196.76%