18.62% is the change from 843 to 1000
Calculation steps:
[( 1000 - 843 ) ÷ 843] x 100 = 18.62%
Formula
Percentage change = [(1000 - 843) / 843] x 100
Subtract the new number by the original number
1000 - 843 = 157
157 ÷ 843 = 0.18623962040332148
0.18623962040332148 x 100 = 18.62%