-84.65% is the change from 977 to 150
Calculation steps:
[( 150 - 977 ) ÷ 977] x 100 = -84.65%
Formula
Percentage change = [(150 - 977) / 977] x 100
Subtract the new number by the original number
150 - 977 = -827
-827 ÷ 977 = -0.8464687819856704
-0.8464687819856704 x 100 = -84.65%