303.47% is the change from 202 to 815
Calculation steps:
[( 815 - 202 ) ÷ 202] x 100 = 303.47%
Formula
Percentage change = [(815 - 202) / 202] x 100
Subtract the new number by the original number
815 - 202 = 613
613 ÷ 202 = 3.0346534653465347
3.0346534653465347 x 100 = 303.47%