186% is the change from 50 to 143
Calculation steps:
[( 143 - 50 ) ÷ 50] x 100 = 186%
Formula
Percentage change = [(143 - 50) / 50] x 100
Subtract the new number by the original number
143 - 50 = 93
93 ÷ 50 = 1.86
1.86 x 100 = 186%
Example