-81.3% is the change from 802 to 150
Calculation steps:
[( 150 - 802 ) ÷ 802] x 100 = -81.3%
Formula
Percentage change = [(150 - 802) / 802] x 100
Subtract the new number by the original number
150 - 802 = -652
-652 ÷ 802 = -0.8129675810473815
-0.8129675810473815 x 100 = -81.3%