307.45% is the change from 188 to 766
Calculation steps:
[( 766 - 188 ) ÷ 188] x 100 = 307.45%
Formula
Percentage change = [(766 - 188) / 188] x 100
Subtract the new number by the original number
766 - 188 = 578
578 ÷ 188 = 3.074468085106383
3.074468085106383 x 100 = 307.45%