12.1% is the change from 843 to 945
Calculation steps:
[( 945 - 843 ) ÷ 843] x 100 = 12.1%
Formula
Percentage change = [(945 - 843) / 843] x 100
Subtract the new number by the original number
945 - 843 = 102
102 ÷ 843 = 0.12099644128113879
0.12099644128113879 x 100 = 12.1%