-83.98% is the change from 930 to 149
Calculation steps:
[( 149 - 930 ) ÷ 930] x 100 = -83.98%
Formula
Percentage change = [(149 - 930) / 930] x 100
Subtract the new number by the original number
149 - 930 = -781
-781 ÷ 930 = -0.8397849462365592
-0.8397849462365592 x 100 = -83.98%