-78.3% is the change from 931 to 202
Calculation steps:
[( 202 - 931 ) ÷ 931] x 100 = -78.3%
Formula
Percentage change = [(202 - 931) / 931] x 100
Subtract the new number by the original number
202 - 931 = -729
-729 ÷ 931 = -0.7830290010741139
-0.7830290010741139 x 100 = -78.3%