228.43% is the change from 204 to 670
Calculation steps:
[( 670 - 204 ) ÷ 204] x 100 = 228.43%
Formula
Percentage change = [(670 - 204) / 204] x 100
Subtract the new number by the original number
670 - 204 = 466
466 ÷ 204 = 2.284313725490196
2.284313725490196 x 100 = 228.43%