334.04% is the change from 188 to 816
Calculation steps:
[( 816 - 188 ) ÷ 188] x 100 = 334.04%
Formula
Percentage change = [(816 - 188) / 188] x 100
Subtract the new number by the original number
816 - 188 = 628
628 ÷ 188 = 3.3404255319148937
3.3404255319148937 x 100 = 334.04%