49.02% is the change from 102 to 152
Calculation steps:
[( 152 - 102 ) ÷ 102] x 100 = 49.02%
Formula
Percentage change = [(152 - 102) / 102] x 100
Subtract the new number by the original number
152 - 102 = 50
50 ÷ 102 = 0.49019607843137253
0.49019607843137253 x 100 = 49.02%