55.63% is the change from 142 to 221
Calculation steps:
[( 221 - 142 ) ÷ 142] x 100 = 55.63%
Formula
Percentage change = [(221 - 142) / 142] x 100
Subtract the new number by the original number
221 - 142 = 79
79 ÷ 142 = 0.5563380281690141
0.5563380281690141 x 100 = 55.63%