-80.45% is the change from 793 to 155
Calculation steps:
[( 155 - 793 ) ÷ 793] x 100 = -80.45%
Formula
Percentage change = [(155 - 793) / 793] x 100
Subtract the new number by the original number
155 - 793 = -638
-638 ÷ 793 = -0.8045397225725095
-0.8045397225725095 x 100 = -80.45%