-77.05% is the change from 745 to 171
Calculation steps:
[( 171 - 745 ) ÷ 745] x 100 = -77.05%
Formula
Percentage change = [(171 - 745) / 745] x 100
Subtract the new number by the original number
171 - 745 = -574
-574 ÷ 745 = -0.7704697986577181
-0.7704697986577181 x 100 = -77.05%