178.43% is the change from 102 to 284
Calculation steps:
[( 284 - 102 ) ÷ 102] x 100 = 178.43%
Formula
Percentage change = [(284 - 102) / 102] x 100
Subtract the new number by the original number
284 - 102 = 182
182 ÷ 102 = 1.7843137254901962
1.7843137254901962 x 100 = 178.43%