320.79% is the change from 202 to 850
Calculation steps:
[( 850 - 202 ) ÷ 202] x 100 = 320.79%
Formula
Percentage change = [(850 - 202) / 202] x 100
Subtract the new number by the original number
850 - 202 = 648
648 ÷ 202 = 3.207920792079208
3.207920792079208 x 100 = 320.79%