217.26% is the change from 307 to 974
Calculation steps:
[( 974 - 307 ) ÷ 307] x 100 = 217.26%
Formula
Percentage change = [(974 - 307) / 307] x 100
Subtract the new number by the original number
974 - 307 = 667
667 ÷ 307 = 2.1726384364820848
2.1726384364820848 x 100 = 217.26%