17.84% is the change from 841 to 991
Calculation steps:
[( 991 - 841 ) ÷ 841] x 100 = 17.84%
Formula
Percentage change = [(991 - 841) / 841] x 100
Subtract the new number by the original number
991 - 841 = 150
150 ÷ 841 = 0.178359096313912
0.178359096313912 x 100 = 17.84%