-79.55% is the change from 841 to 172
Calculation steps:
[( 172 - 841 ) ÷ 841] x 100 = -79.55%
Formula
Percentage change = [(172 - 841) / 841] x 100
Subtract the new number by the original number
172 - 841 = -669
-669 ÷ 841 = -0.7954815695600476
-0.7954815695600476 x 100 = -79.55%