102.33% is the change from 215 to 435
Calculation steps:
[( 435 - 215 ) ÷ 215] x 100 = 102.33%
Formula
Percentage change = [(435 - 215) / 215] x 100
Subtract the new number by the original number
435 - 215 = 220
220 ÷ 215 = 1.0232558139534884
1.0232558139534884 x 100 = 102.33%