-75.57% is the change from 831 to 203
Calculation steps:
[( 203 - 831 ) ÷ 831] x 100 = -75.57%
Formula
Percentage change = [(203 - 831) / 831] x 100
Subtract the new number by the original number
203 - 831 = -628
-628 ÷ 831 = -0.7557160048134778
-0.7557160048134778 x 100 = -75.57%