-77% is the change from 813 to 187
Calculation steps:
[( 187 - 813 ) ÷ 813] x 100 = -77%
Formula
Percentage change = [(187 - 813) / 813] x 100
Subtract the new number by the original number
187 - 813 = -626
-626 ÷ 813 = -0.7699876998769988
-0.7699876998769988 x 100 = -77%