200.97% is the change from 206 to 620
Calculation steps:
[( 620 - 206 ) ÷ 206] x 100 = 200.97%
Formula
Percentage change = [(620 - 206) / 206] x 100
Subtract the new number by the original number
620 - 206 = 414
414 ÷ 206 = 2.0097087378640777
2.0097087378640777 x 100 = 200.97%