307.94% is the change from 189 to 771
Calculation steps:
[( 771 - 189 ) ÷ 189] x 100 = 307.94%
Formula
Percentage change = [(771 - 189) / 189] x 100
Subtract the new number by the original number
771 - 189 = 582
582 ÷ 189 = 3.0793650793650795
3.0793650793650795 x 100 = 307.94%