-80.42% is the change from 802 to 157
Calculation steps:
[( 157 - 802 ) ÷ 802] x 100 = -80.42%
Formula
Percentage change = [(157 - 802) / 802] x 100
Subtract the new number by the original number
157 - 802 = -645
-645 ÷ 802 = -0.8042394014962594
-0.8042394014962594 x 100 = -80.42%