-49.72% is the change from 177 to 89
Calculation steps:
[( 89 - 177 ) ÷ 177] x 100 = -49.72%
Formula
Percentage change = [(89 - 177) / 177] x 100
Subtract the new number by the original number
89 - 177 = -88
-88 ÷ 177 = -0.4971751412429379
-0.4971751412429379 x 100 = -49.72%