142.86% is the change from 252 to 612
Calculation steps:
[( 612 - 252 ) ÷ 252] x 100 = 142.86%
Formula
Percentage change = [(612 - 252) / 252] x 100
Subtract the new number by the original number
612 - 252 = 360
360 ÷ 252 = 1.4285714285714286
1.4285714285714286 x 100 = 142.86%