-83.77% is the change from 955 to 155
Calculation steps:
[( 155 - 955 ) ÷ 955] x 100 = -83.77%
Formula
Percentage change = [(155 - 955) / 955] x 100
Subtract the new number by the original number
155 - 955 = -800
-800 ÷ 955 = -0.837696335078534
-0.837696335078534 x 100 = -83.77%