-79.67% is the change from 841 to 171
Calculation steps:
[( 171 - 841 ) ÷ 841] x 100 = -79.67%
Formula
Percentage change = [(171 - 841) / 841] x 100
Subtract the new number by the original number
171 - 841 = -670
-670 ÷ 841 = -0.7966706302021404
-0.7966706302021404 x 100 = -79.67%