-70.62% is the change from 657 to 193
Calculation steps:
[( 193 - 657 ) ÷ 657] x 100 = -70.62%
Formula
Percentage change = [(193 - 657) / 657] x 100
Subtract the new number by the original number
193 - 657 = -464
-464 ÷ 657 = -0.7062404870624048
-0.7062404870624048 x 100 = -70.62%